12.35km/h, my running speed on 21km 1:42:00

Time equivalence by distance

1km	2km	5km	10km
04:51	09:43	24:17	48:34
15km	20km	Half Marathon	Marathon
1:12:51	1:37:09	1:42:28	3:24:57

Split by km

km	Time/km
1 km	04:51
2 km	09:43
3 km	14:34
4 km	19:26
5 km	24:17
6 km	29:09
7 km	34:00
8 km	38:51
9 km	43:43
10 km	48:34
11 km	53:26
12 km	58:17
13 km	1:03:09
14 km	1:08:00
15 km	1:12:51
16 km	1:17:43
17 km	1:22:34
18 km	1:27:26
19 km	1:32:17
20 km	1:37:09
21 km	1:42:00

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