Tools

Race predictor

Enter a recent honest race. We show Riegel (1.06), a cautious Riegel (1.10) and Daniels VDOT equivalents, plus Easy–Repetition training paces.

Recent race distance

Riegel: T₂ = T₁ × (D₂/D₁)^k. VDOT from Daniels & Gilbert Oxygen Power (1979). Estimates assume similar conditions and training for the target distance.

Build your training plan

Your profile is ready. AI will create a personal weekly plan based on your level, goal, and available time.