22.59km/h, my running speed on 1.5km 03:59

Time equivalence by distance

1km	2km	5km	10km
02:39	05:19	13:17	26:33
15km	20km	Half Marathon	Marathon
39:50	53:07	56:01	1:52:03

Split by km

km	Time/km
1 km	02:39
0.5 km	03:59

Calculate your running speed

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