15.65km/h, my running speed on 3km 11:30

Time equivalence by distance

1km	2km	5km	10km
03:50	07:40	19:10	38:20
15km	20km	Half Marathon	Marathon
57:30	1:16:40	1:20:52	2:41:45

Split by km

km	Time/km
1 km	03:50
2 km	07:40
3 km	11:30

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