8.4km/h, my running speed on 21km 2:30:00

Time equivalence by distance

1km	2km	5km	10km
07:09	14:17	35:43	1:11:26
15km	20km	Half Marathon	Marathon
1:47:09	2:22:51	2:30:42	5:01:24

Split by km

km	Time/km
1 km	07:09
2 km	14:17
3 km	21:26
4 km	28:34
5 km	35:43
6 km	42:51
7 km	49:60
8 km	57:09
9 km	1:04:17
10 km	1:11:26
11 km	1:18:34
12 km	1:25:43
13 km	1:32:51
14 km	1:39:60
15 km	1:47:09
16 km	1:54:17
17 km	2:01:26
18 km	2:08:34
19 km	2:15:43
20 km	2:22:51
21 km	2:29:60

Calculate your running speed

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