Donaldson R F Race Time Predictor
Predict your finish time at a new distance, based on a recent race result.
Recent race
Uses the Riegel formula (T2 = T1 × (D2/D1)^1.06), a widely used estimate for endurance race predictions.
Predict your finish time at a new distance, based on a recent race result.
Uses the Riegel formula (T2 = T1 × (D2/D1)^1.06), a widely used estimate for endurance race predictions.