Trainingpeaks

TSS, CTL, ATL, and TSB - your TrainingPeaks app is riddled with lots of important-sounding metrics. But not all of them are actually useful (looking at you, TSS).

These three factors suggest that older athletes need to be a bit more diligent with their hydration practices.

These six tips will dial-in your game plan for racing back-to-back triathlons so you can peak at the perfect time (and rest at the right time too!).

There are three high-cadence cycling workouts you can effectively use during the base-building or endurance phase of a periodized training program.

A look at the bike and run numbers that led to Sanders' impressive victory at the 2016 Ironman 70.3 North American Championships.