15.09km/h, my running speed on 8.9km 35:22

Time equivalence by distance

1km	2km	5km	10km
03:58	07:57	19:52	39:44
15km	20km	Half Marathon	Marathon
59:36	1:19:29	1:23:50	2:47:40

Split by km

km	Time/km
1 km	03:58
2 km	07:57
3 km	11:55
4 km	15:54
5 km	19:52
6 km	23:51
7 km	27:49
8 km	31:47
0.9 km	35:22

Calculate your running speed

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