Pace Calculator
Given any two of pace, time, or distance, compute the third for training or race planning.
How it works
Pace = time / distance. Time = pace · distance. Distance = time / pace.
10 km in 50:00 → 5:00 min/km pace.
Frequently asked questions
- Min/km vs min/mile?
- Multiply min/km by 1.609 to get min/mile.
- What pace for a sub-4 marathon?
- About 9:09 min/mile or 5:41 min/km.
- Should I train at race pace?
- Only some workouts — most training is easier than race pace.
- Does terrain matter?
- Yes — hills and trails add roughly 10–30 s/km.
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