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Running calculators 🏃 calculators
Explore 2 free running calculators 🏃 calculators. Calculate in your browser with clear inputs, worked examples, and transparent methods.
2 calculators available
- Race Finish-Time Percentage Reduction Targets
Turn a current race time into 1–10% reduction targets and a custom percentage target, preserving hours, minutes and seconds.
- Running Race-Time Estimate with a 1.06 Exponent
Project a race time from a known distance and finish time using the explicit distance-ratio power model, with selectable distance and duration units.