13.65km/h, my running speed on 1.9km 08:21

Time equivalence by distance

1km	2km	5km	10km
04:24	08:47	21:58	43:57
15km	20km	Half Marathon	Marathon
1:05:55	1:27:54	1:32:43	3:05:26

Split by km

km	Time/km
1 km	04:24
0.9 km	08:21

Calculate your running speed

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