15.73km/h, my running speed on 8km 30:30

Time equivalence by distance

1km	2km	5km	10km
03:49	07:38	19:04	38:08
15km	20km	Half Marathon	Marathon
57:11	1:16:15	1:20:26	2:40:52

Split by km

km	Time/km
1 km	03:49
2 km	07:38
3 km	11:26
4 km	15:15
5 km	19:04
6 km	22:53
7 km	26:41
8 km	30:30

Calculate your running speed

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