In 2015 CP built a new 14,000ft siding east of the exisiting 6700ft siding in Marathon. In early 2017 crews removed the old west switch of the siding and its now a 6700ft stub track.
A loaded 101 car Brandon, MB - Montreal Hochelaga, PQ grain train pulls through Marathon. Powering the train are CP's ES44AC 8874 + SD60M 6258, and 50 cars back AC4400CW 8617