12.33km/h, my running speed on 21.1km 1:42:37

Time equivalence by distance

1km	2km	5km	10km
04:52	09:44	24:19	48:38
15km	20km	Half Marathon	Marathon
1:12:57	1:37:16	1:42:36	3:25:13

Split by km

km	Time/km
1 km	04:52
2 km	09:44
3 km	14:35
4 km	19:27
5 km	24:19
6 km	29:11
7 km	34:03
8 km	38:54
9 km	43:46
10 km	48:38
11 km	53:30
12 km	58:22
13 km	1:03:13
14 km	1:08:05
15 km	1:12:57
16 km	1:17:49
17 km	1:22:41
18 km	1:27:32
19 km	1:32:24
20 km	1:37:16
21 km	1:42:08
0.1 km	1:42:37

Calculate your running speed

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