Race Time Predictor
Use race time predictor with Calculator 360.
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How to use this calculator
Predict race time or calculate pace and speed from a distance and elapsed time. Enter a race distance in miles or kilometers; pace and speed input modes retain their explicitly labeled metric units.
Choose the relevant mode and units, enter the needed values, and review the result and its stated limits.
A mile is exactly 1.609344 km; checkpoints are projections at constant pace. References: World Athletics: road-running distances ·
Frequently asked questions
What does this tool calculate?
Predict race time or calculate pace and speed from a distance and elapsed time. Enter a race distance in miles or kilometers; pace and speed input modes retain their explicitly labeled metric units.
Which inputs are used?
The calculation uses the values and units you enter in this form.