Marathon Time Predictor — सूत्र
## Riegel Formula
**Predicted Time = Race Time x (Target Distance / Race Distance)^1.06**
The Riegel formula, developed by Peter Riegel in 1977, accounts for the fact that pace slows as distance increases. The exponent 1.06 captures this endurance fatigue factor.
**Predicted Time = Race Time x (Target Distance / Race Distance)^1.06**
The Riegel formula, developed by Peter Riegel in 1977, accounts for the fact that pace slows as distance increases. The exponent 1.06 captures this endurance fatigue factor.
हल किया गया उदाहरण
A runner who completed a 5K (3.1 miles) in 25 minutes.
- Marathon distance = 26.2 miles
- Distance ratio = 26.2 / 3.1 = 8.452
- Predicted time = 25 x 8.452^1.06
- = 25 x 9.55 = 238.7 minutes
- = 3 hours 58.7 minutes
- Pace = 238.7 / 26.2 = 9.11 min/mile