16.68km/h, my running speed on 4km 14:23

Time equivalence by distance

1km	2km	5km	10km
03:36	07:11	17:59	35:57
15km	20km	Half Marathon	Marathon
53:56	1:11:55	1:15:52	2:31:44

Split by km

km	Time/km
1 km	03:36
2 km	07:11
3 km	10:47
4 km	14:23

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