TrainingPeaks
Training plans and performance analytics for endurance athletes and coaches
Freemium
Fitness
It imports data from watches and bike computers and calculates load, fitness, and fatigue. Coaches assign workouts and see compliance. Premium plans add advanced analysis.
It is data heavy, and its value depends on regular logging.
Strava and Intervals.icu are alternatives. TrainingPeaks suits coaches and athletes who follow structured plans.