Today is a multicoloured day of slightly extending product lives with new Product Variants. We have $18/£15 straps for the Polar OH1 (reviewed here) and two somewhat luridly coloured Wahoo Elemnt Bolts for £200.
Users of the Polar BEAT app with a Polar HRM (H10/OH1) now get Polar’s smart coaching features for free. These are:
- Fitness Test: enables athletes to gauge their current fitness levels with a simple five-minute test, and view how their fitness is progressing over time
- EnergyPointer: gives athletes real-time guidance on what is the main effect of their workout
- Benefit Target: allows athletes to set goals and receive real-time voice guidance to achieve them
- Running Index: provides an easy to understand score based on speed and heart rate data that offers insight into how athletes’ running performance and efficiency are improving over time.
Last Updated on 21 January 2026 by the5krunner
My favourite kit and nutrition
- Injinji – Runners protect your toes. Avoid discomfort and minor injury. Run more. run faster. I use them.
- Garmin 90-degree charging adapter — the small adapter that keeps your charging cables tidy. Essential for race day. I use one.
- Garmin charging puck — the fastest and most reliable way to top up your Garmin before a session. I use one.
- Ravemen FR300 — front light that mounts directly under your Garmin or Wahoo head unit. Keeps your bars clean and your beam pointed where it matters. I use one.
- Body Glide – The Blue anti-chafe stick that all swimmers and many runners use. I use it.
- Maurten — the race nutrition trusted by elite athletes. Gels and drink mix engineered to be easy on the stomach. I use them.
- Garmin Varia RTL515 — radar rear light that alerts you to vehicles approaching from behind. Pairs with your Edge or Garmin watch. I use this model.
- Favero Assioma Pro RS2 — the power meter pedals most serious cyclists end up choosing. Accurate, easy to move between bikes. I use this model.
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tfk is the founder and author of the5krunner, an independent endurance sports technology publication. With 20 years of hands-on testing of GPS watches and wearables, and competing in triathlons at an international age-group level, tfk provides in-depth expert analysis of fitness technology for serious athletes and endurance sport competitors. ID
