9.47km/h, my running speed on 8km 50:40

Time equivalence by distance

1km	2km	5km	10km
06:20	12:40	31:40	1:03:20
15km	20km	Half Marathon	Marathon
1:34:60	2:06:40	2:13:37	4:27:14

Split by km

km	Time/km
1 km	06:20
2 km	12:40
3 km	18:60
4 km	25:20
5 km	31:40
6 km	37:60
7 km	44:20
8 km	50:40

Calculate your running speed

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