15.49km/h, my running speed on 10km 38:43

Time equivalence by distance

1km	2km	5km	10km
03:52	07:45	19:22	38:43
15km	20km	Half Marathon	Marathon
58:05	1:17:26	1:21:41	2:43:22

Split by km

km	Time/km
1 km	03:52
2 km	07:45
3 km	11:37
4 km	15:29
5 km	19:22
6 km	23:14
7 km	27:06
8 km	30:58
9 km	34:51
10 km	38:43

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