AthleteRX Editorial Team - AthleteRX

How to train for your first marathon: how many weeks, how the long run grows, a simple training week, race fuel from…

HRV for athletes, explained: what heart rate variability is, why it drops, how to measure it reliably, how to use it to…

Recovery for runners in plain words: cool-down, refuelling, rehydration and sleep numbers from the ACSM and CDC, plus the gear many runners…

An honest WHOOP review for athletes: what WHOOP 5.0 and MG measure, the One, Peak and Life plans for 2026, accuracy, downsides…

The best GPS trackers for team sports in 2026: STATSports, Catapult One, Playermaker and Garmin compared for soccer, football, rugby and lacrosse.

Six WHOOP alternatives for 2026, from screenless bands with no subscription to smart rings and GPS watches, compared by battery, fees and…

The best heart rate monitors for athletes in 2026: Polar, Garmin, Wahoo and COROS chest straps and armbands compared by accuracy, battery…