19.01km/h, my running speed on 8.436km 26:37

Time equivalence by distance

1km	2km	5km	10km
03:09	06:19	15:47	31:33
15km	20km	Half Marathon	Marathon
47:20	1:03:06	1:06:34	2:13:08

Split by km

km	Time/km
1 km	03:09
2 km	06:19
3 km	09:28
4 km	12:37
5 km	15:47
6 km	18:56
7 km	22:05
8 km	25:14
0.436 km	26:37

Calculate your running speed

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