15.31km/h, my running speed on 12km 47:00

Time equivalence by distance

1km	2km	5km	10km
03:55	07:50	19:35	39:10
15km	20km	Half Marathon	Marathon
58:45	1:18:20	1:22:38	2:45:16

Split by km

km	Time/km
1 km	03:55
2 km	07:50
3 km	11:45
4 km	15:40
5 km	19:35
6 km	23:30
7 km	27:25
8 km	31:20
9 km	35:15
10 km	39:10
11 km	43:05
12 km	47:00

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