21.6km/h, my running speed on 1.5km 04:10

Time equivalence by distance

1km	2km	5km	10km
02:47	05:33	13:53	27:47
15km	20km	Half Marathon	Marathon
41:40	55:33	58:36	1:57:13

Split by km

km	Time/km
1 km	02:47
0.5 km	04:10

Calculate your running speed

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