18.81km/h, my running speed on 6.43km 20:30

Time equivalence by distance

1km	2km	5km	10km
03:11	06:23	15:56	31:53
15km	20km	Half Marathon	Marathon
47:49	1:03:46	1:07:16	2:14:32

Split by km

km	Time/km
1 km	03:11
2 km	06:23
3 km	09:34
4 km	12:45
5 km	15:56
6 km	19:08
0.43 km	20:30

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