15.57km/h, my running speed on 11.4km 43:55

Time equivalence by distance

1km	2km	5km	10km
03:51	07:42	19:16	38:31
15km	20km	Half Marathon	Marathon
57:47	1:17:03	1:21:16	2:42:33

Split by km

km	Time/km
1 km	03:51
2 km	07:42
3 km	11:33
4 km	15:25
5 km	19:16
6 km	23:07
7 km	26:58
8 km	30:49
9 km	34:40
10 km	38:31
11 km	42:23
0.4 km	43:55

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