 In 2015, Cockney earned his highest finish with tenth place in the 4x10km relay, thirteenth in team sprint free, and fourteenth in the sprint classic.In 2013 Cockney earned 29 points; 2015 was a career low at 2 points, then in 2016 he earned 26 points, and he had 26 points to start 2017.In February 2017 at the PyeongChang test event, Cockney finished 10th overall in the classic sprint.