15.38km/h, my running speed on 10km 39:00

Time equivalence by distance

1km	2km	5km	10km
03:54	07:48	19:30	39:00
15km	20km	Half Marathon	Marathon
58:30	1:18:00	1:22:17	2:44:34

Split by km

km	Time/km
1 km	03:54
2 km	07:48
3 km	11:42
4 km	15:36
5 km	19:30
6 km	23:24
7 km	27:18
8 km	31:12
9 km	35:06
10 km	39:00

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