11.2km/h, my running speed on 8.1km 43:23

Time equivalence by distance

1km	2km	5km	10km
05:21	10:43	26:47	53:34
15km	20km	Half Marathon	Marathon
1:20:20	1:47:07	1:52:60	3:45:60

Split by km

km	Time/km
1 km	05:21
2 km	10:43
3 km	16:04
4 km	21:25
5 km	26:47
6 km	32:08
7 km	37:30
8 km	42:51
0.1 km	43:23

Calculate your running speed

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