Marathon Time Predictor
Enter a recent race distance and time to see your predicted times for other race distances.
Predictions are based on the Riegel formula (T2 = T1 × (D2/D1)^1.06), commonly used for race time predictions.
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Enter a recent race distance and time to see your predicted times for other race distances.
Predictions are based on the Riegel formula (T2 = T1 × (D2/D1)^1.06), commonly used for race time predictions.