Pace calculator
Pace per mile or km, average speed and projected 5K, 10K, half and full marathon times.
Pace
Running 10 mi in 55:00, your pace is 5:30 /mi.
How this is calculated →- Pace per km3:25 /km
- Average speed17.56 km/h · 10.91 mph
- 5K at the same pace17:05
- 10K at the same pace34:11
- Half marathon (13.1 mi)1:12:06
- Marathon (26.2 mi)2:24:12
How pace is calculated
Pace = time ÷ distance. 10 km in 55 minutes is 5.5 minutes per km, that is 5:30 /km or 8:51 per mile. Speed = distance ÷ time.
Projections keep the same pace for the whole race. Real pace usually drops over longer distances; treat them as a reference.
Frequently asked questions
What is pace?
The time it takes to cover 1 mile (or 1 km). A lower pace is faster.
How do I turn pace into speed?
Divide 60 by the pace in minutes: 8:00 per mile = 60 ÷ 8 = 7.5 mph.
How long is a marathon?
26.2 miles (42.195 km). A half marathon is 13.1 miles (21.0975 km).