12.35km/h, my running speed on 8km 38:51

Time equivalence by distance

1km	2km	5km	10km
04:51	09:43	24:17	48:34
15km	20km	Half Marathon	Marathon
1:12:51	1:37:08	1:42:27	3:24:55

Split by km

km	Time/km
1 km	04:51
2 km	09:43
3 km	14:34
4 km	19:26
5 km	24:17
6 km	29:08
7 km	33:60
8 km	38:51

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