13.91km/h, my running speed on 15.5km 1:06:50

Time equivalence by distance

1km	2km	5km	10km
04:19	08:37	21:34	43:07
15km	20km	Half Marathon	Marathon
1:04:41	1:26:14	1:30:58	3:01:56

Split by km

km	Time/km
1 km	04:19
2 km	08:37
3 km	12:56
4 km	17:15
5 km	21:34
6 km	25:52
7 km	30:11
8 km	34:30
9 km	38:48
10 km	43:07
11 km	47:26
12 km	51:45
13 km	56:03
14 km	1:00:22
15 km	1:04:41
0.5 km	1:06:50

Calculate your running speed

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