10.3km/h, my running speed on 4km 23:17

Time equivalence by distance

1km	2km	5km	10km
05:49	11:38	29:06	58:12
15km	20km	Half Marathon	Marathon
1:27:19	1:56:25	2:02:48	4:05:37

Split by km

km	Time/km
1 km	05:49
2 km	11:38
3 km	17:28
4 km	23:17

Calculate your running speed

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