19.2km/h, my running speed on 8km 25:00

Time equivalence by distance

1km	2km	5km	10km
03:08	06:15	15:38	31:15
15km	20km	Half Marathon	Marathon
46:53	1:02:30	1:05:56	2:11:52

Split by km

km	Time/km
1 km	03:08
2 km	06:15
3 km	09:23
4 km	12:30
5 km	15:38
6 km	18:45
7 km	21:53
8 km	25:00

Calculate your running speed

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