21km/h, my running speed on 13.3km 38:00

Time equivalence by distance

1km	2km	5km	10km
02:51	05:43	14:17	28:34
15km	20km	Half Marathon	Marathon
42:51	57:09	1:00:17	2:00:33

Split by km

km	Time/km
1 km	02:51
2 km	05:43
3 km	08:34
4 km	11:26
5 km	14:17
6 km	17:09
7 km	20:00
8 km	22:51
9 km	25:43
10 km	28:34
11 km	31:26
12 km	34:17
13 km	37:09
0.3 km	38:00

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