18.94km/h, my running speed on 3km 09:30

Time equivalence by distance

1km	2km	5km	10km
03:10	06:20	15:50	31:40
15km	20km	Half Marathon	Marathon
47:30	1:03:20	1:06:48	2:13:37

Split by km

km	Time/km
1 km	03:10
2 km	06:20
3 km	09:30

Calculate your running speed

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