Enter distance and finish time to get running pace per km and per mile, plus speed. Works for any race distance.
| Input | Result |
|---|---|
| 21.0975 km in 105 min | 4:59 /km · 8:01 /mi · 12.06 km/h |
| 5 km in 25 min | 5:00 /km · 8:03 /mi · 12 km/h |
| 42.195 km in 240 min | 5:41 /km · 9:10 /mi · 10.55 km/h |
Pace is time divided by distance. Run 21.0975 km in 105 minutes and your pace is 105 ÷ 21.0975 = 4.977 min/km = 4:59 per kilometre.
It means 4 minutes 59 seconds per kilometre. Multiply by 42.195 for a marathon finish prediction at that pace.
Recreational runners commonly average 5:30–7:00 /km; sub-4-hour marathoners run about 5:41 /km for 42.2 km. Compare with your own recent races rather than absolute numbers.