21.95km/h, my running speed on 3km 08:12

Time equivalence by distance

1km	2km	5km	10km
02:44	05:28	13:40	27:20
15km	20km	Half Marathon	Marathon
40:60	54:40	57:40	1:55:20

Split by km

km	Time/km
1 km	02:44
2 km	05:28
3 km	08:12

Calculate your running speed

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