Calculate
Units
5K = 5 km, half marathon = 21.0975 km (13.1 mi), marathon = 42.195 km (26.2 mi).
Pace5:00 /km
Finish time50:00
Pace per kilometer5:00
Pace per mile8:03
Speed (km/h)12
Speed (mph)7.46

Pace = time ÷ distance. 50:00 over 10 km = 5:00 per kilometer.

Finish times at this pace
RaceDistanceFinish time
5K5 km (3.11 mi)25:00
10K10 km (6.21 mi)50:00
Half marathon21.1 km (13.1 mi)1:45:29
Marathon42.2 km (26.2 mi)3:30:59

Running Pace Calculator · free calculator by CalcWorthy