12.09km/h, my running speed on 21.21km 1:45:15

Time equivalence by distance

1km	2km	5km	10km
04:58	09:55	24:49	49:37
15km	20km	Half Marathon	Marathon
1:14:26	1:39:15	1:44:41	3:29:23

Split by km

km	Time/km
1 km	04:58
2 km	09:55
3 km	14:53
4 km	19:51
5 km	24:49
6 km	29:46
7 km	34:44
8 km	39:42
9 km	44:40
10 km	49:37
11 km	54:35
12 km	59:33
13 km	1:04:31
14 km	1:09:28
15 km	1:14:26
16 km	1:19:24
17 km	1:24:22
18 km	1:29:19
19 km	1:34:17
20 km	1:39:15
21 km	1:44:12
0.21 km	1:45:15

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