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Race Predictor – Running Time Calculator
Estimate finish times at new distances using the Riegel formula
📖 Race Predictor – Running Time Calculator
Riegel predicts performance: T₂ = T₁ × (D₂ ÷ D₁)^1.06. Enter a recent result and the target distance.
📊 Result
💡 Tips & Information
- Use a recent all-out performance for best accuracy.
- Adjust exponent (1.03–1.08) based on personal endurance bias.
- Riegel assumes even pacing and good race conditions.