11km/h, my running speed on 4km 21:49

Time equivalence by distance

1km	2km	5km	10km
05:27	10:55	27:16	54:33
15km	20km	Half Marathon	Marathon
1:21:49	1:49:05	1:55:04	3:50:08

Split by km

km	Time/km
1 km	05:27
2 km	10:55
3 km	16:22
4 km	21:49

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