31.1km/h, my running speed on 10.8km 20:50

Time equivalence by distance

1km	2km	5km	10km
01:56	03:51	09:39	19:17
15km	20km	Half Marathon	Marathon
28:56	38:35	40:42	1:21:24

Split by km

km	Time/km
1 km	01:56
2 km	03:51
3 km	05:47
4 km	07:43
5 km	09:39
6 km	11:34
7 km	13:30
8 km	15:26
9 km	17:22
10 km	19:17
0.8 km	20:50

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