17.5km/h, my running speed on 3.5km 12:00

Time equivalence by distance

1km	2km	5km	10km
03:26	06:51	17:09	34:17
15km	20km	Half Marathon	Marathon
51:26	1:08:34	1:12:20	2:24:40

Split by km

km	Time/km
1 km	03:26
2 km	06:51
3 km	10:17
0.5 km	11:60

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