18.78km/h, my running speed on 1.2km 03:50

Time equivalence by distance

1km	2km	5km	10km
03:12	06:23	15:58	31:57
15km	20km	Half Marathon	Marathon
47:55	1:03:53	1:07:24	2:14:47

Split by km

km	Time/km
1 km	03:12
0.2 km	03:50

Calculate your running speed

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