18.77km/h, my running speed on 12km 38:21

Time equivalence by distance

1km	2km	5km	10km
03:12	06:23	15:59	31:57
15km	20km	Half Marathon	Marathon
47:56	1:03:55	1:07:25	2:14:51

Split by km

km	Time/km
1 km	03:12
2 km	06:23
3 km	09:35
4 km	12:47
5 km	15:59
6 km	19:10
7 km	22:22
8 km	25:34
9 km	28:46
10 km	31:57
11 km	35:09
12 km	38:21

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