Pace calculator
Predict your race time and get a km-by-km pacing plan tailored to the course and conditions.
🏁 Race
Search for a race*
Tap to search and select a race
⏱️ Base performance
Reference race distance*
Reference race time*
Threshold pace (min/km)opt.
Critical speed pace (min/km)opt.
VO₂max (ml/kg/min)opt.
Runner level (Riegel k)opt.
💪 Fitness & form
Weekly volume (km)opt.
TSB (training stress balance)opt.
FatiguedFresh
Days off runningopt.
Readiness score (0–100)opt.
HR drift (%)opt.
Running economyopt.
HR above normal at paceopt.
⚖️ Body
Current weight (kg)opt.
Reference weight (kg)opt.
Heat adaptationopt.
🗺️ Course
Elevation gain (m)opt.
Elevation loss (m)opt.
Climb timingopt.
Surfaceopt.
Course technicalityopt.
Race altitude (m)opt.
Wind speed (km/h)opt.
Headwind fractionopt.
0%100%
Drafting / groupopt.
🌤️ Weather
Temperature (°C)opt.
Dew point (°C)opt.
Using forecast / climate data
🎯 Execution
Planned pacingopt.
Nutrition / carbo loadingopt.
Hydration planopt.
Caffeineopt.
Races at this distanceopt.
Experience level: Normal
👟 Equipment
Race shoesopt.
Clothingopt.
🩹 Risk & recovery
Injury statusopt.
Pain scale (0–10)opt.
Return-to-run confidenceopt.
Altitude camp effectopt.
Select a race to continue