21.22km/h, my running speed on 20km 56:32

Time equivalence by distance

1km	2km	5km	10km
02:50	05:39	14:08	28:16
15km	20km	Half Marathon	Marathon
42:24	56:32	59:38	1:59:16

Split by km

km	Time/km
1 km	02:50
2 km	05:39
3 km	08:29
4 km	11:18
5 km	14:08
6 km	16:58
7 km	19:47
8 km	22:37
9 km	25:26
10 km	28:16
11 km	31:06
12 km	33:55
13 km	36:45
14 km	39:34
15 km	42:24
16 km	45:14
17 km	48:03
18 km	50:53
19 km	53:42
20 km	56:32

Calculate your running speed

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