15.55km/h, my running speed on 2km 07:43

Time equivalence by distance

1km	2km	5km	10km
03:51	07:43	19:17	38:35
15km	20km	Half Marathon	Marathon
57:52	1:17:10	1:21:24	2:42:48

Split by km

km	Time/km
1 km	03:51
2 km	07:43

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