12.42km/h, my running speed on 8.7km 42:00

Time equivalence by distance

1km	2km	5km	10km
04:50	09:39	24:08	48:17
15km	20km	Half Marathon	Marathon
1:12:25	1:36:33	1:41:51	3:23:42

Split by km

km	Time/km
1 km	04:50
2 km	09:39
3 km	14:29
4 km	19:19
5 km	24:08
6 km	28:58
7 km	33:48
8 km	38:37
0.7 km	41:60

Calculate your running speed

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