13.98km/h, my running speed on 4.15km 17:48

Time equivalence by distance

1km	2km	5km	10km
04:17	08:35	21:27	42:53
15km	20km	Half Marathon	Marathon
1:04:20	1:25:47	1:30:29	3:00:59

Split by km

km	Time/km
1 km	04:17
2 km	08:35
3 km	12:52
4 km	17:09
0.15 km	17:48

Calculate your running speed

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