Here are my detailed reviews of the Garmin multi-sport watches. The 910XT, the 310Xt and the older forerunner 305 (now discontinued but still available to buy new)
The links to the reviews are below, one thing I would say is that the prices seem to have come down a lot recently (early Dec 2012) so amazon is a great place to grab a bargain.
- Triathlon/Duathlon Review 910XT
- Triathlon/Duathlon Review 310XT
- Triathlon/Duathlon Review FR 305
- Triathlon/Duathlon Review Fenix2
Functionally the 910XT is almost the perfect triathlon watch. But there remain a few glitches. The 310XT is a very competent glitch-free solution but it lacks some swim functionality and metrics. You just can’t use the 305 for swimming but otherwise it’s fine.
Last Updated on 12 January 2026 by the5krunner
Reader-Powered Content
This content is not sponsored. It’s mostly me behind the labour of love, which is this site, and I appreciate everyone who supports it.
Support the site: Follow (free, fewer ads) · Subscribe (paid, ad-free) · Buy Me A Coffee ❤️
All articles are written by real people, fact-checked, and verified for originality. See the Editorial Policy. FTC: Affiliate Disclosure — some links pay commission. As an Amazon Associate, I earn from qualifying purchases.
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.
Great reviews. I have a 310XT and love it for everything except the swim (in fact I think its terrible and don’t even bother with it in the water).
ty, I find it quite useful in the pool I like the metrics. you can also analyse them further with the pool plugin in trainingload where you can edit the stroke for example. probably would be the same as the 310 in the open water though.