16.87km/h, my running speed on 4.5km 16:00

Time equivalence by distance

1km	2km	5km	10km
03:33	07:07	17:47	35:33
15km	20km	Half Marathon	Marathon
53:20	1:11:07	1:15:01	2:30:02

Split by km

km	Time/km
1 km	03:33
2 km	07:07
3 km	10:40
4 km	14:13
0.5 km	16:00

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