Endurance Lab
A scientifically rigorous, offline-capable training calculator for endurance athletes and coaches.
INFO SULL'APPEndurance Lab is a comprehensive, client-side training calculator built for competitive athletes, self-coached athletes, and coaches who demand precision. Powered by peer-reviewed formulas from Riegel, Daniels & Gilbert, Coggan, and others, it covers all four endurance disciplines across 25 calculator modules — from training zones and VDOT to power curves, fueling plans, sweat rate estimation, and triathlon race building. There's no account required, no data ever leaves your device, and the app works fully offline after the first load. Set up your Athlete Profile once and key metrics like max HR, FTP, CSS, and threshold pace auto-populate across every calculator, turning a single session into a complete picture of your training.
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cyclingcyclingtrackerrunningrunningcoachstrengthtraining
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