Best triathlon watches for swimming, cycling, and running
GPS watches tested for open water swimming, cycling power, and run tracking. Which ones are worth it for triathlon training and race day.
What running cadence actually tells you (and what it doesn't)
The 180 steps per minute rule is everywhere, but the science behind cadence is more nuanced than most running advice suggests.
What heart rate zones actually mean for endurance training
A practical guide to heart rate training zones: what each zone does physiologically, why 220-minus-age is unreliable, the 80/20 rule, and when HR is the wrong metric.
Best heart rate monitors for triathlon and endurance training
A side-by-side comparison of the best heart rate monitors in 2025, covering accuracy, comfort, features, and price to help you pick the right one.
Best fitness trackers and smartwatches for general fitness
Fitness trackers and smartwatches for people who want health data without a full triathlon watch. Four picks from budget bands to capable smartwatches.