9.05km/h, my running speed on 4km 26:30

Time equivalence by distance

1km	2km	5km	10km
06:38	13:15	33:08	1:06:15
15km	20km	Half Marathon	Marathon
1:39:23	2:12:30	2:19:46	4:39:33

Split by km

km	Time/km
1 km	06:38
2 km	13:15
3 km	19:53
4 km	26:30

Calculate your running speed

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