17.13km/h, my running speed on 8.23km 28:49

Time equivalence by distance

1km	2km	5km	10km
03:30	07:00	17:30	35:01
15km	20km	Half Marathon	Marathon
52:31	1:10:02	1:13:52	2:27:45

Split by km

km	Time/km
1 km	03:30
2 km	07:00
3 km	10:30
4 km	14:00
5 km	17:30
6 km	21:01
7 km	24:31
8 km	28:01
0.23 km	28:49

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