Killick has mainly participated in the Nor Am Cup since 2007. He has won ten victories so far, and in the 2011/12 and 2012/13 seasons he came fifth in the overall standings (as of the end of the 2017/18 season). At the Canadian Cross Country Ski Championships 2010 in Whitehorse , he won gold twice over 10 km classic and 15 km freestyle. He ran his first World Cup race in January 2011 in Otepää , which he finished classically with 60th place over 15 km. His best placings at the 2014 Winter Olympics in Sochi were 28th place in the 50 km mass start race and 12th place with the relay. At the Nordic World Ski Championships in Falun in 2015 , he finished 32nd in the 15 km freestyle, 19th place in the 50 km mass start race and tenth place with the relay. After finishing 55th at the Nordic Opening in Ruka at the beginning of the 2015/16 season, he scored his first World Cup points in Lillehammer with 21st place in the skiathlon . In the further course of the season he came in four times in the points and in the Ski Tour Canada on the 27th place. In the 2016/17 season he finished 53rd in the World Cup mini-tour in Lillehammer and 42nd in the World Cup final in Québec . At the season highlight of the 2017 Nordic World Ski Championships in Lahti , he achieved 47th place in the skiathlon and 43rd place in the 50 km mass start race. At the end of March 2017, he became Canadian champion in the 50 km mass start race in Canmore . In the 2017/18 season he finished 68th in the Ruka Triple and 56th in the World Cup finals in Falun. His best placings at the 2018 Winter Olympics in Pyeongchang were 27th in the 50km mass start race and ninth in the relay.
Canada
West Yellowstone