Estimated Race Time Calculator
Estimate time for 5 km, 10 km, half marathon or marathon based on a real result, using standard running formulas.
km
km
Conservative Scenario
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Coefficient 1.08
Standard Scenario
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Coefficient 1.06 (Riegel)
Optimistic Scenario
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Coefficient 1.03
Note: These estimates use the Riegel formula and are indicative. Actual results may vary depending on conditions, terrain and training.