12.3km/h, my running speed on 8km 39:01

Time equivalence by distance

1km	2km	5km	10km
04:53	09:45	24:23	48:46
15km	20km	Half Marathon	Marathon
1:13:09	1:37:32	1:42:54	3:25:47

Split by km

km	Time/km
1 km	04:53
2 km	09:45
3 km	14:38
4 km	19:30
5 km	24:23
6 km	29:16
7 km	34:08
8 km	39:01

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