9.05km/h, my running speed on 8.3km 55:00

Time equivalence by distance

1km	2km	5km	10km
06:38	13:15	33:08	1:06:16
15km	20km	Half Marathon	Marathon
1:39:24	2:12:32	2:19:48	4:39:36

Split by km

km	Time/km
1 km	06:38
2 km	13:15
3 km	19:53
4 km	26:30
5 km	33:08
6 km	39:46
7 km	46:23
8 km	53:01
0.3 km	54:60

Calculate your running speed

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