archive❌ COROS Pace Review

COROS Pace Review M1 MultisportIn this COROS Pace Review, we take a good look at the latest GPS, multi-sport watch from COROS.

The Pace model is sometimes called the PACE MULTISPORT or PACE M1. Either way, it’s their first triathlon watch. I have been using the Pace for about 2 months and have been waiting to produce this review until they delivered support for ANT+ sensors – which I’m pleased to say they have! And that also includes power meter support (v1.37)

This COROS Pace Review is an updated version of the ‘preview‘ I produced in June. It includes some of the same images and words but crucially fleshes out the new functionality as well as covers aspects of accuracy in detail.

In a nutshell: the COROS Paceis a credible triathlon and sports watch. It competes against the Garmin 735XT and Suunto Spartan Trainer. To succeed, COROS will need to do some good marketing and entice buyers in sale periods — aka the RRP is a little too high…but then again, so are Garmin’s.


COROS are a newcomer to the GPS sports watch market. They have made 2 smart bike helmets (OMNI/LYNX) that look interesting and are also nicely featured.

COROS saw a gap in the sports watch market and has come up with the COROS PACE (aka PACE MULTISPORT or PACE M1).

Target Market

The COROS Pace is squarely aimed at multi-ability triathletes and runners.

Triathlon watches used to be ‘functional’. But now this part of the market has seen the emergence of super-smart triathlon watches like the Amazfit Stratos and super-functional ‘do-it-all’ triathlon watches like the Forerunner 935. Most of the tri watches are guilty of also trying to be watches that you would wear 24×7 for a variety of reasons, not least of which is to justify their spiralling price tags. As these triathlon watches have become ever smarter and ever more functional (and ever more pricey), so a gap is partly created in the middle of the price bands for something that looks like a sports watch and IS a sports watch…a sports watch that can do triathlons properly. That’s where the PACE is competing.

COROS Pace Review M1 Multisport
Garmin 935, COROS, Garmin 235 (similar to 735XT)

So if we look at the top end of the market there would be the ‘pro’ tri watch and really there is only the Garmin Forerunner 935 (review), Fenix 5S / 5 (review), Polar V800 and Forerunner 920XT in that space. At the lowest end would be something like the Amazfit STRATOS (reviewed here).

In the middle, there are ‘the rest’, most notably the Suunto Spartan Trainer and Garmin Forerunner 735XT. The ‘middle’ is defined by me in terms of the seriousness of the watch to the intended purpose – ie usefulness to triathlon. Not by price. Also in the middle would be some of the other more expensive Suunto’s like the Spartan Sport and the new Suunto 9 which essentially have the exact same tri capability as the Spartan Trainer just with some non-tri extras and/or a better casing. Epson’s ProSense range (discontinued) also fit here.

The COROS Pace is definitely competing in that middle space.

I’m expecting new entrants in 2018 to come into the ‘pro’ space. I don’t ‘know’ that for sure, it’s more of an educated guess.

Best Triathlon Watch for 2022 – Garmin, Wahoo, Polar, Apple & more

The COROS Pace Multisport Watch

Here we have a lineup of some of the current crop of triathlon watches (Aug 2018). Roll the clock forwards to October 2018 and I suspect (and hope) that there will be a few more to add to the image.

COROS Pace Review M1 Multisport
Amazfit STRATOS, Suunto Trainer, COROS, Garmin 935, Garmin 235 (vey similar looks to 735XT)

The COROS PACE MULTISPORT is a genuine triathlon watch that offers a ‘triathlon’ sports profile. It is styled like a Garmin Forerunner 735XT and has smartphone-connected features and activity-related features. It’s very much a SPORT watch that does other stuff, rather than a 24×7 watch that can also do sport.

Sure you can wear the COROS Pace 24×7 (it’s actually quite comfortable) but to do so you would need to be keen on displaying an obviously ‘sports-style’ watch. That suits me, from a personal point of view, but if I were still inhabiting suit-world then I wouldn’t wear it for work.

The watch itself does feel like the designer had an unhealthy admiration of the Garmin Forerunner 735XT. Some of the menus are scarily similar. However it’s a 4-button watch (not 5) and clearly no newcomer is going to match Garmin’s extensive feature set nor their higher prices.

What’s Different

That middle space we just talked about is relatively crowded. So the COROS Pace needs to stand out.

COROS state their differentiators as 25 hours of GPS usage and a barometric altimeter.

Those two factors ARE differentiators but I don’t fully buy that. I’d take the battery life as being an important feature for longer distance triathletes but I would need to put price into the mix as well. We’ll come back to that later.

COROS Pace Specifications

Here are the key specifications of the COROS Pace and some commentary where useful

  • Colour options – black/grey, red/black and blue/black
  • Screen size – 240x240px (1.2″ LCD) – This is the same resolution as the high-end Garmin Fenix 5 Plus devices
  • GNSS – GLONASS+GPS (+BDS) is permanently enabled.
  • Water resistant to 50m
  • Barometric altimeter
  • ANT+ sensor support including heart rate monitor, speed/cadence, indoor trainer and power meter. STRYD support is stated as being actively worked on (31 Jul 2018). I could add two power meters so I assume there is some sort of sensor pool.
  • Bluetooth connection only to smartphone

COROS Pace Features & Details

Here are some of the stand-out features and details on the watch that are noteworthy in some way.

  • Battery – stated as 25 hours of workout time with GPS+GLONASS enabled (that’s good)
  • Compass
  • Air pressure/elevation profiles over time
  • Barometric altimeter with 3D-GPS elevation calibration and manual elevation calibration.
  • Heart rate profile over time plus heart rate zone dial
  • Main screen heart rate monitor icon changes to show if chest strap or oHR is in use – neat!
  • Calorie counter
  • 7 sport profiles including triathlon (with transitions), open water and indoor bike. Up to 5 data pages per profile and up to 4 customisable metrics per page. Customisable via app.
  • Manual lap, autolap, autoscroll, auto screen lock, sport alert in triathlon.
  • Cadence, HR, pace, speed alerts.
  • HR/Power Zones
  • Custom pool length setting
  • Part customisable vibration and tone alerts. Decent vibrate and volume.
  • Metronome
  • Phone and app notifications (with do not disturb time range)
  • Workout history on watch and app
  • rHR and VO2max on app
  • Strava upload via app (plans to also link to MapMyRide, MapMyRun, TrainingPeaks)
  • FIT data export via email or download to smartphone (latter didn’t work for me). The FIT files are not fully & properly ‘formed’ – I did get them to work BUT I didn’t try every recipient program.

COROS Pace – Feature Omissions for now

It’s not going to have every feature ever thought of. Even some of the high-end Garmins miss some features. The COROS Pace DOES have sufficient features as of NOW to be a sensible option. Here are some of the things I personally would like to see (particularly if it is to be treated as a fully functioned tri watch)…your list may well be different.

  • Fully customisable, custom multi-sport profile
  • Calendarised plans and structured workout functionalities (hard to implement in full even Suunto do not have this)
  • Enhanced run-mode STRYD/RunScribe compatibility – STRYD as source of pace and distance, power alerts when running (COROS ARE actively looking to include this support for STRYD/RunScribe)


In general I would say that my expectations were quite low for the Pace’s GPS and oHR accuracy. Those things are hard to get right with your first GPS device. Furthermore, many companies (eg Garmin) appear to compromise on accuracy to extend battery life.

However, the COROS Pace notably EXCEEDED my expectations and was actually quite good. Sure it had moments of madness and there are always elements of variability in performance – but on the whole I was pleasantly surprised.

I do have a LOT of data points over the last couple of months with the COROS Pace, so I am reasonably happy with what I am about to say. I will add the appropriate notes of caution as we go…

Optical HR Accuracy – Running

Here are a couple of short intervals to reasonable HR levels. It looks pretty good to me. Very slightly better than a £600 Garmin Fenix 5S watch. Assume the 935+HRM-TRI is correct.

Here’s a slightly different (slower) run but with different recoveries. Recovery periods sometimes confuse oHR sensors.

Here I maintained a pace above threshold to get the HR to progressively rise and then some short intervals with differing recovery levels. Again, the COROS looks good.

This time a much longer run

Not so good here. An unusual bump in HR at the start. This run was after an hour or so riding.

COROS wrong at start

Tum te tum. This is getting a bit repetitive isn’t it?

This is another long and steady-state run but this time with a fair amount of off-road bumpy but flat terrain. The bumpiness DOES seem to cause the COROS some issues. Although cadence seems to be causing a ‘crossover problem’ with the Suunto 9.

Another run but, again, this time it’s not so good from the COROS with a bit of fartlek on a smooth trail. I would class this specific performance as NOT acceptable.

Optical HR Accuracy – Cycling

Again COROS performs better than Garmin when out cycling. Normally road vibration confuses the oHR. As you can see, the COROS slightly outperforms the Garmin here. Both are fine…today

A nice stop-start bumpy ride gave this

935 excluded as duplicates HRM-TRI data

A couple more hours here with a couple of incorrect spikes from the COROS…no biggie.

Here are some hill reps and the COROS was not happy. This is not acceptable. But if you didn’t have a comparison chest strap on then you probably would have thought it was OK when reviewing your data after the workout.

Optical HR Accuracy – Swimming

#NotGreat 😉

We were bussed to the start of a long swim so I set the HRM-TRI recording and left my Garmin at the finish line. Sporttracks wouldn’t let me add an offset of more than 60 minutes, so the start times don’t match (see offset setting, below). Even if I could change the offsets to the correct value the lines clearly would nowhere near match.

And another result that is not great with a wetsuit.

Optical HR Accuracy – Summary

As we’ve seen above, for run and bike optical HR accuracy the COROS Pace generally looks good. For swim it looks bad.

  • Swimming is the hardest to get right and Garmin do NOT provide optical HR readings AT ALL for swimming. Polar and Suunto do. As we saw, Suunto weren’t great either.
  • If you check all the dates of the various charts you will see that the COROS performs less well on the earlier ones. This could be because the firmware was later improved or it got notably hotter in the UK (improving bloodflow).

Overall though I would say the COROS Pace was one of the better optical HR performers over all those I have seen. As I always say – if you want accuracy with heart rate then you will get a chest strap or an optical HR ARM BAND.

GPS Accuracy

The onboard GPS chip gives you: a pretty track of where you’ve been; your distance travelled; navigation; and your running pace or cycling speed. Most devices will give you a pretty enough track of where you’ve been if that’s all you want. Most devices will also give you +/-1% accuracy for distance IF YOU LOOK AT THE PERFORMANCE OVER LONG PERIODS (eg >1 hour). At a granular level, however, distances are wrong and hence speed/pace is often wrong. At least it is when running. Cycling tends to be fine as there is no swinging arm movement.

The COROS Pace always uses GPS+GLONASS together. Normally I find with other devices that GLONASS makes the positional accuracy worse although exceptions may be found under tree cover and near taller buildings.

For me personally the accuracy of HR and repeatability of my bike’s power meter are paramount. However I appreciate that there are MANY MORE RUNNERS who want accurate distance measurements and instant pace measurements than there are cyclists with power meters. Instant pace is important to me too (but not distance).

GPS Accuracy – Running

I have a test that I do for GPS watches. All the results, source files and methodology are here. The Pace scored 81% and 77%. 81% is one of the best results I’ve had.

This is a segment from that test that poses several GPS challenges and the COROS IS really good.


Interestingly on both test days there were a reasonably higher than normal number of satellites available in the sky (Details about GPS DilutionOfPrecision (DOP) here).

Yet in more normal use there is not so much that sets the COROS apart as we see here…

COROS Blue, 935 Red, 5S Plus Green

and here…

COROS Blue, 935 Red, 5S Plus Green

GPS Accuracy – Cycling

With repeated laps it can be useful to see the variability of one device at the same point on the earth. On this particular day, below, the COROS was ‘not great’.

Wahoo Green (best), Garmin 5S (Red) COROS (Blue)

Yet slightly better on a different day


Somewhere else on another day and it’s still OK. But still not the best of those on test.

COROS Red, Wahoo Blue (best), Garmin Green


GPS Accuracy – Open Water

Over longer distances the GPS track looks fairly good.

COROS Blue – Suunto Red

But at a more granular level the picture is less rosy…and yes I was swimming in the middle 😉

COROS Blue – Suunto Red

This is repeated on other tracks at a more detailed level.



GPS Accuracy – Summary

Any reviewer who actually uses the device for a sufficient number of runs could easily present you with a case that almost any device was either brilliant or rubbish. Hopefully I’ve given you a reasonably fair representation of the COROS Pace. The GPS test I perform can be seen as a sanity check and you have the full FIT files if you want to analyse further against every other device I’ve tested over the same route.

It’s easy to summarise the Pace’s swimming GPS as ‘not great’. It’s probably fair to call cycling GPS as ‘average but fine’. Yet with the running GPS I face a dilemma. I don’t think that the 2 super-high scores in my ‘test’ are fully representative for once. Yes I would still say that the COROS Pace’s running GPS performances on the whole were GOOD but perhaps not as EXCELLENT as the two tests would suggest. Furthermore the Pace’s overall distance measurements are perversely not even good and perhaps would be better called ‘average’.

But to put all that in context the COROS Pace is perfectly fine. It’s impressive for a ‘first device’ from COROS. And that was where the worry was always going to be.

Elevation Accuracy

This broadly seems fine for the COROS as the following charts show.

The lines should be parallel. They start at different elevations as I did not calibrate or did not calibrate correctly.


The App

The app seems perfectly fine with a few foibles. Some of the graphs are a little unusual, in a nice kind of way.

For COROS the app is important as there is no online platform. So the choices you have for post-workout analyses are: the COROS app; STRAVA; the watch’s on-device history; or exporting manually elsewhere. So that basically means you will probably either use the app or STRAVA.

It has the zones, your workout’s laps and the ‘usual suspects’ of charts. The app seems to meet the normal sensible needs of someone in that middle market I described earlier. It’s got stuff missing that I PERSONALLY would like to see for me…but I’m not the intended target market. So all is cool.

ANT+ Sensor Support

As of 31 Jul 2018 this is a just-released feature which should be further developed.

COROS Pace Review
1623 is my STRYD and another PM is part-shown underneath it already paired.

I was able to successfully pair power meters, a turbo trainer (Wahoo kickr), cadence sensors, speed sensors and heart rate monitors.

More than one device of each type could be stored but names could not be given. There were no apparent calibration mechanisms but a bike speed sensor allowed the wheel circumference to be set. A power meter pedal (Favero Assioma), when paired, was able to have its cadence AND power read by the COROS Pace.

STRYD seemed to only pair as a power meter (which would mean that it could be used in bike mode)

Finally here is the main screen where you can see a chest strap icon next to the ’75’. Cool.

COROS Pace ReviewBugs & Other Points

These will hopefully be addressed in subsequent releases:

  • Not all power data is stored correctly in the FIT file
  • Not all FIT files are formed correctly
  • Power meters cannot be calibrated
  • ANT+ sensors cannot be named
  • A custom multisport profile cannot be created
  • Running power support for STRYD and RunScribe Plus.

Latest firmware info: HERE

Summary & Opinions

With the recent inclusion on ANT+ sensor support, Coros is starting to be a credible contender in the middle market space for triathlon watches with most of the key elements of functionality already existing. The overall hardware package is competent.

The COROS Pace is definitely a SPORT watch rather than a SMART watch. Although it has many smart characteristics. If it continues to develop through firmware along the path of adding TRIATHLON FEATURES then it will continue to set itself apart from good triathlon watches like the Suunto Spartan Trainer. Perhaps such a move will also continue to justify its price tag.

If the COROS Pace were to move forwards along the SMART features route then I would suspect that this would require a LOT of development work and would end up competing with something like the Amazfit Stratos which is already half the price of the COROS Pace.

So if we assume that it will proceed as a running-cum-triathlon watch then it will compete squarely against the Garmin Forerunner 735XT ($340), with the COROS coming in at $299 -ie a $40 lower price. However, the 735XT  does discount from time to time to as low as $269. This would mean that the COROS Pace needs to go as low as $220 in sale periods.

The Pace will also directly compete with the Bluetooth-only Suunto Spartan Trainer. Against the Trainer, the ANT+ only COROS Pace does sit comfortably when their respective features are compared, although Suunto edges it.

Brand Recognition – No triathlon newbie will know the COROS name. Then again, I doubt very many would know the Suunto name either (based on people I know). But Polar and Garmin have widely recognised sports watch brands. Branding can be equated with TRUST, somehow COROS have to establish sufficient trust for someone to spend $300. I think they will find that harder to achieve than Suunto who already sponsor major events like the London Triathlon (5Aug 2018).

The COROS Pace will hopefully do well for people wanting a reasonably well-functioned triathlon watch at a reasonable price. For triathletes competing in the longer distance events then the security of the COROS Pace’s whopping 25 hour GPS battery life might give them some faith that the watch will still be recording as they cross the finish time.

Best REI/Wiggle/PMC price is linked to. Prices are about Eur260/$299/£250 and might fall at sale times. .
Use discount code THE5KRUNNER10 or THE5KRUNNER

Price, Discounts & Availability

Availability now in the US and Eu is good and currently stocked by Powermeter City (USA) and New Running Gear (UK/EU)  – use the code THE5KRUNNER there for 10% off.

Recommended Retail Pricing for the PACE is: US299.99/GBP249.98

Deal Price: Use the code THE5KRUNNER10 to get 10% off when buying directly from PMC or NRG. That gives these prices

eg Discounted Pricing for the PACE is: US269.99/GBP224.98

Compare to and pricing (as of 17Jun2018):

  • Suunto Spartan Trainer – £240/$279
  • Garmin Forerunner 735XT – £350/$449
Use discount code THE5KRUNNER10 or THE5KRUNNER



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22 thoughts on “archive❌ COROS Pace Review

  1. coros app update (V1.5.7):

    1. Add interval training mode for PACE for outdoor running and cycling.
    2. Display Manual Lap and Auto Lap details on the COROS App for pool swim.
    3. Triathlon mode now supports custom multisport activity. You can switch between different workout modes and view total time for all workouts.
    4. Up to 6 different data can be selected to view on the data screen of PACE. Go to Custom Interface on the COROS App to choose.
    5. SOS Emergency Alert set up for LINX is now added to the COROS App.

    coros Pace M1 update (V1.39):

    1. Add interval training mode for PACE for outdoor running and cycling. Distance and time intervals can be customized to lower the risk of injuries and increase workout efficiency.
    2. Triathlon mode now supports custom multisport activity. You can switch between different workout modes and view total time for all workouts.
    3. Up to 6 different data can be selected to view on the data screen of PACE. Go to Custom Interface on the COROS App to choose.

    1. thank you for the heads up…I’m goign to have to look at this a bit more closely. update the review too as the multisport omission is/was a big negative for me, so this update should help nicely. (devil/detail/.etc)

  2. coros app update (v1.6.12)

    1. adds new 3rd party platform support and temperature data
    2. links to join the official coros running and cycling clubs on 3rd party platform
    3. pace watch supports switching from three gps modes (gps, gps + bds, gps + glonas)

    coro pace m1 update (v1.51)

    1. supports switching from three gps modes (gps, gps + bds, gps + glonas)
    2. adds temperature data
    3. improves the accuracy of interval training workout data
    4. removes the minimum time limit when saving a workout

  3. coros app update (V1.7.6):

    1. supports connection to new coros products apex watch safesound helmet
    2. ai-enabled personal fitness trainer
    3. coros trainer will establish personal fitness models, provide and improve training results free of injuries
    4. monitors fitness status, balances training load, tracks recovery time, and maintains optimal training level for you
    5. accurate estimates of vo2max, lactate threshold and other fitness data comparable to lab results

    coros pace m1 update (v1.52)

    1. fix a bug of openwater mode

      1. Came up in my Facebook feed … (From coros) … Not seen any other press or commentary on it. Have noted that coros has been signing up a few ultra runners lately so clear market for them.

  4. coros app update (v 1.8.1)

    1. Supports connection to new COROS products APEX watch SafeSound helmet
    2. AI-enabled personal fitness trainer
    -COROS trainer will establish personal fitness models, provide and improve training results free of injuries.
    – Monitors fitness status, balances training load, tracks recovery time, and maintains optimal training level for you.
    – Accurate estimates of VO2 Max, Lactate Threshold and other fitness data comparable to lab results.

    coros pace m1 update (v 1.53):

    improves the accuracy of outdoor running and pool swim workout data

      1. Coros owners DEFINITELY welcome here 😉
        I would love to hear your experiences over time. It looks like Coros are planning to keep the pace features broadly in sync with the Apex, so you should have more nice FW presents in the months ahead!

  5. It could easily be so much better!

    After a few days of use: I contacted the coros support via email 2 times on some problems, but till now i got no response (8 days). This is NO support.

    My watch seems to be of Spain origin, because some words in the menu are spain, even I set language to German and firmware is up to date. Funny, but i can live with that. Coros Pace is a watch without frippery, not like most of the other competitors, really great! What use is a Open Street Map in the mountains? What use is a contactless paying up the mountains? Forget that. The watch focuses on the essentials, the price of 199.- is far below the overloaded products of the competitors. And the Coros Pace is very light. A watch for people who do sports and nothing else with it, very reasonable.

    The Pace has got an altitude meter, which you can calibrate manually, really important. The competitors manage this only automatically via GPS ( except Fenix and FR 945). Seems they have never been in the mountains in bad weather conditions or in deep forrest, where GPS is very weak.

    The evaluation possibilities are state of the art. The connection with the mobile is super easy. But you need a mobile for many settings and evaluations. Unfortunately the app sends many (all?) data to Coros, there is no privacy, or i have to protect myself with a security app (e.g. netguard) for to avoid uploading of all my data. In any case the evaluations seem to be processed not in the watch or the app but on a Coros server, because in case I cut the app from internet, then essential fitness parameters dont get changed anymore, whatever I do. Very bad, without uploading my private data some important fitness evaluations are not functionable, and that without necessity, because these evaluations could easily be managed by the watch itself or the app at least.

    Battery runtime is at least as long as advertised, thats great. With 10 hours sport a week the clock lasts at least 10 days.

    As with all other watches you must use a chest strap in case you need a really exact heart frequency. Measurement at the wrist is significantly more sluggish.

    Sleep analysis is faulty, the clock lets me still sleep e.g., even i am awake already. And it really looks like the watch uses a 10 min. heart rate interval for sleep analysis, even i had my pulse sensor set to “enhanced” (1 sec.). To try serious sleep analysis based on a 10 min heartrate interval would be ridiculous of course. There is a funny workaround: simply start a indoor exercise over night, then you get 1 sec. heartrate monitoring, you only get no “analysis” then. Fortunately one does not really need this gimmick for sports.

    The VO2max calculated by Coros is simply wrong. My VO2max is regulary tested by spiroergometry at about 46. The Coros Pace calculates 24. Useless. How can i run up a mountain at about 800 altitude meters per hour with a fat 82 kg body with a VO2max of 24?

    It would be great, if one could edit the list of possible types of sport , that only those are shown, which one personally needs and not always the really long complete list.

    Actually a very good and priceworthy watch for sportsmen, with essential potential for software improvements and privacy. If only there were not the issue with the display. Ok, if its really bright, you can see all very well, the brighter the better. Even colours appear then. But woe if light is not perfectly bright, e.g. early morning when leaving a hut for a tour or at the gym in the dimmer spinning room with video projection. There you can hardly see any, even I set background colour to “white” and font to “big”. The “white” then is not white, not even gray, its a dark-dark gray or anthracit, the contrast tends toward zero (foto). Even my really old Polar RS800CX has got a better display in darker environments. One can switch on background light for a few seconds, thats enough for fetching the time, but for a continuous control of the parameters its insufficient. During a workout one cannot switch on background light without changing the display settings, so one has to push more buttons always for the background light, simply impossible during hard workouts. A separate button for light is missing. Its clear now, why the battery lasts a whole week absolutely easily, if the watch reduces the energy for the display to nearly zero. This critic may be eventually valid for all other competitors with transflective display, I made no test comparison. As a workaround for morning indoor biking I once used a headlamp, then everything is easy to read, funny or? Therefore Coros people: Please spend some of the watch energy for the display (if only the user could choose display brighness over battery runtime, 5 steps till really bright) or give the watch a 1000nits amoled display, then I would be 5-stars-happy. But right now: 2 stars minus for the bad display and 1 star for the unnessecary but enforced uploading of all data to a Coros server.

    1. Hi,

      This is David from COROS. Thank you for the detailed feedback. We are sorry to hear that you received no response after two email attempts. However, we have checked our mailbox thoroughly and still can’t locate your emails. Please let us know your email address so that we can investigate further. It is possible that your email is somehow blocked by our spam control. You are always welcome to reach out to our support team via various channels including phone call, email and social media.

      COROS values data privacy and security and implements the utmost protection procedures to safeguard your data. COROS can’t access your history data unless you submit a feedback on the COROS app.

      Please set up the sleep hours correctly on the COROS app via the Profile page > Profile setting. COROS watches use OHR and motion sensors to track your sleep. If the optical HR setting is set as Enhanced, the watch is reading your HR every second during sleep tracking. However, the app can only show the data every 10 min due to limitations.

      If the fitness data seems to be not accurate, please read this support blog on how to calibrate correctly.

      Watch menu customization is under development and may be added via future updates.

      Please enable the gesture backlight feature on the watch via System > More > Gesture Backlight > Auto. The backlight will be activated whenever your raise your wrist to check the watch screen. Backlight brightness level customization isn’t supported. The visibility on COROS watches is similar, if not better, than that of the watches from other GPS watches.

      Team COROS

      1. Hi David,

        my email: (edit: the5krunner has removed your email address and passed it to coros)

        About data privacy: Either you can read my data or you can not, there is no: “In case”. And there is really no need for uploading the data. If I need your help support, then i can voluntarely upload it, but please not as a forced standard.

        VO2max: I had already followed all the steps you recommend before. VO2Max is simply wrong. I do not talk about a small deviation from absolute value, but with a internal consistency at least. I talk about a simply wrong.

        I tried automatic backlight . When xc-skiing or using poles on a ski tour, its getting on and off with the move of the hand often, thats a little disturbing. And when i bike, the watch is in front of me on my bike and not on my wrist, so that does not help either. Please sacrifice some battery power for the display, at least let the user choose that!


  6. Is posible to program Fartlek trainnings for running/trail? I have the Coros Apex and I can’t do it…Thanks!

  7. After some months of use of this Coros Pace let me resume some things: I cannot imagine that the pics of the watch screens in this review by 5Krunner were taken from a real specimen or at least not without tricks, my watch has got a real dark screen, never ever so bright and splendid as in the pics of ths review. In the new firmware there are improvements, one can e.g. cut down the list of possible sports to those one is using. There is still no privacy, you MUST upload all data to Coros server without any need! The altitude meter is dangerously buggy: even if I say I do not want to use GPS for altitude, it still is using GPS after some minutes for it. If you start in a valley e.g. at 700 and run up a mountain and stop the workout in the clock at e.g. 1800, the altitude resets to 700, even you are at the top. Crazy. VO2max ist ridiculously wrong, and of course all other maths are wrong too as a consequence. Maybe it works, if you run in an absolute flat environment, but in my hilly area you can use the watch only for time measurement.

    1. you say: ” I cannot imagine that the pics of the watch screens in this review by 5Krunner were taken from a real specimen or at least not without tricks,”

      I say: “then you might try harder to use your imagination. Do you seriously think I have the time or resources to photoshop images? You are living in a fantasy world.
      It might have been more polite of you to ask me a question about it first rather than making an accusation. If you had done that I might have then bothered to address your other points which have some merit in a more considered response. I’ve also modified the name you gave as most people would consider it rude.”

      1. Sorry for my name, its not rude in German, its a very common name here in my town, even the mountain behind my house got the same name, funny, or? But i understand that in English it got a rather disgusting meaning. ok, I agree, i could have been more polite, i apologize. But really your pics are so far from my daily reality. Maybe we should compare our pics?

      2. no worries, 🙂
        the pictures are what they are. some of them further down in the post are not so great. My pictures tend not to be as polished and as good as those from other reviewers.
        If a good clear picture comes out then obviously I’m going to use it in preference to a bad one.
        photographing a gps watch is quite hard because of reflections. photographing more than one is even harder because each reflects light differently.

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