14.69km/h, my running speed on 12km 49:00

Time equivalence by distance

1km	2km	5km	10km
04:05	08:10	20:25	40:50
15km	20km	Half Marathon	Marathon
1:01:15	1:21:40	1:26:09	2:52:18

Split by km

km	Time/km
1 km	04:05
2 km	08:10
3 km	12:15
4 km	16:20
5 km	20:25
6 km	24:30
7 km	28:35
8 km	32:40
9 km	36:45
10 km	40:50
11 km	44:55
12 km	48:60

Calculate your running speed

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