14km/h, my running speed on 4km 17:08

Time equivalence by distance

1km	2km	5km	10km
04:17	08:34	21:25	42:50
15km	20km	Half Marathon	Marathon
1:04:15	1:25:40	1:30:22	3:00:44

Split by km

km	Time/km
1 km	04:17
2 km	08:34
3 km	12:51
4 km	17:08

Calculate your running speed

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