Running Pace & Race Calculator
Convert running time and distance into average pace and mathematically equivalent race-time estimates.
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Average Pace & Speed
Pace (per km) --:--
Speed (km/h) --
Pace (per mile) --:--
Speed (mph) --
Equivalent times at the same average pace
Note: Real race performance depends on fatigue, terrain, weather, and training. This table is simple pace arithmetic, not a race prediction.
| Distance | Time |
|---|---|
| 5K | --:--:-- |
| 10K | --:--:-- |
| Half Marathon (21.1 km) | --:--:-- |
| Marathon (42.2 km) | --:--:-- |