12.89km/h, my running speed on 8km 37:13

Time equivalence by distance

1km	2km	5km	10km
04:39	09:18	23:16	46:31
15km	20km	Half Marathon	Marathon
1:09:47	1:33:02	1:38:09	3:16:18

Split by km

km	Time/km
1 km	04:39
2 km	09:18
3 km	13:57
4 km	18:36
5 km	23:16
6 km	27:55
7 km	32:34
8 km	37:13

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