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4min 56sec. per km. To get: 3hours = 180min

180min +28min = 208min

208min x 60sec per min =12480sec

12480sec + 36sec = 12516sec total

12516sec /42.2km =296.58sec per km

296.58sec/60sec per min = 4.94min per km

.94min x 60sec per min = 56 sec.

So you get, 4min 56sec per km

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