13.67km/h, my running speed on 15.5km 1:08:00

Time equivalence by distance

1km	2km	5km	10km
04:23	08:46	21:56	43:52
15km	20km	Half Marathon	Marathon
1:05:48	1:27:45	1:32:33	3:05:07

Split by km

km	Time/km
1 km	04:23
2 km	08:46
3 km	13:10
4 km	17:33
5 km	21:56
6 km	26:19
7 km	30:43
8 km	35:06
9 km	39:29
10 km	43:52
11 km	48:15
12 km	52:39
13 km	57:02
14 km	1:01:25
15 km	1:05:48
0.5 km	1:08:00

Calculate your running speed

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