12.53km/h, my running speed on 3.5km 16:45

Time equivalence by distance

1km	2km	5km	10km
04:47	09:34	23:56	47:51
15km	20km	Half Marathon	Marathon
1:11:47	1:35:43	1:40:58	3:21:56

Split by km

km	Time/km
1 km	04:47
2 km	09:34
3 km	14:21
0.5 km	16:45

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