15.56km/h, my running speed on 1.6km 06:10

Time equivalence by distance

1km	2km	5km	10km
03:51	07:43	19:16	38:33
15km	20km	Half Marathon	Marathon
57:49	1:17:05	1:21:19	2:42:38

Split by km

km	Time/km
1 km	03:51
0.6 km	06:10

Calculate your running speed

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