12.27km/h, my running speed on 4.5km 22:00

Time equivalence by distance

1km	2km	5km	10km
04:53	09:47	24:27	48:53
15km	20km	Half Marathon	Marathon
1:13:20	1:37:47	1:43:08	3:26:17

Split by km

km	Time/km
1 km	04:53
2 km	09:47
3 km	14:40
4 km	19:33
0.5 km	22:00

Calculate your running speed

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