20.57km/h, my running speed on 9.6km 28:00

Time equivalence by distance

1km	2km	5km	10km
02:55	05:50	14:35	29:10
15km	20km	Half Marathon	Marathon
43:45	58:20	1:01:32	2:03:04

Split by km

km	Time/km
1 km	02:55
2 km	05:50
3 km	08:45
4 km	11:40
5 km	14:35
6 km	17:30
7 km	20:25
8 km	23:20
9 km	26:15
0.6 km	28:00

Calculate your running speed

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