19.06km/h, my running speed on 2.5km 07:52

Time equivalence by distance

1km	2km	5km	10km
03:09	06:18	15:44	31:28
15km	20km	Half Marathon	Marathon
47:12	1:02:56	1:06:23	2:12:46

Split by km

km	Time/km
1 km	03:09
2 km	06:18
0.5 km	07:52

Calculate your running speed

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