Free, research-backed tools to optimize your training. Calculate training paces, age-grade your performances, predict race times, and adjust for heat.
Enter a race time to get personalized training paces for Easy, Marathon, Threshold, Interval, and Repetition workouts.
Compare performances across ages using World Masters Athletics standards. See your age-graded percentage and equivalent open-age time.
Adjust your training paces for temperature and humidity. Maintain true physiological effort in hot conditions.
Predict your race potential at any distance from an existing result. Based on StrideIQ's RPI equation.
2027 BAA qualifying standards with training paces for every age group. See what fitness level your BQ standard requires.