14.37km/h, my running speed on 21km 1:27:40

Time equivalence by distance

1km	2km	5km	10km
04:10	08:21	20:52	41:45
15km	20km	Half Marathon	Marathon
1:02:37	1:23:30	1:28:04	2:56:09

Split by km

km	Time/km
1 km	04:10
2 km	08:21
3 km	12:31
4 km	16:42
5 km	20:52
6 km	25:03
7 km	29:13
8 km	33:24
9 km	37:34
10 km	41:45
11 km	45:55
12 km	50:06
13 km	54:16
14 km	58:27
15 km	1:02:37
16 km	1:06:48
17 km	1:10:58
18 km	1:15:09
19 km	1:19:19
20 km	1:23:30
21 km	1:27:40

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