13.22km/h, my running speed on 4km 18:09

Time equivalence by distance

1km	2km	5km	10km
04:32	09:04	22:41	45:23
15km	20km	Half Marathon	Marathon
1:08:04	1:30:45	1:35:44	3:11:28

Split by km

km	Time/km
1 km	04:32
2 km	09:04
3 km	13:37
4 km	18:09

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