21.07km/h, my running speed on 2.4km 06:50

Time equivalence by distance

1km	2km	5km	10km
02:51	05:42	14:14	28:28
15km	20km	Half Marathon	Marathon
42:42	56:57	1:00:04	2:00:08

Split by km

km	Time/km
1 km	02:51
2 km	05:42
0.4 km	06:50

Calculate your running speed

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