Born in Brockville to Jim and Wendy Nedow, he was initially a versatile athlete, competing in the high jump, basketball, shot put and triple jump. He grew quickly in his teenage years and reached. He switched to focus on throwing events in his late teens and was the Canadian junior champion in the shot put. He attended Thousand Islands Secondary School before going on to major in arts and sciences at the University of Tulsa. He competed collegiately for the Tulsa Hurricanes and in his first season won the Conference USA title in the discus with a throw of – the second best ever mark by a Tulsa college athlete. His international debut for Canada came at the 2009 Pan American Junior Athletics Championships, where he set a personal record of to take the bronze medal in the junior implement shot put.
DePaul University
Nedow changed college after his first year and began studying at DePaul University, gaining a place on their DePaul Blue Demons track team. There he worked under coach Dave Dopek, a former NCAA indoor champion. He was third in the shot put at the Big East Conference indoor meet. Outdoors he was fourth in the shot put and sixth in the discus at the Big East Championships, then was a finalist at the NCAA Men's Outdoor Track and Field Championship. He ended the season with bests of for the shot put and for the discus. He was a much improved athlete in 2011 and threw a personal record of in January. He won the Big East shot put titles indoors and out, as well as a fourth-place finish in the discus throw at the outdoor meet. His appearance at the NCAA Men's Indoor Track and Field Championship broke a nine-year absence for DePaul University, although Nedow failed to record a valid mark. He placed in the top twenty of both throws at the 2011 NCAA Outdoor meet. He began to establish himself at national level, coming second in the shot put at the Canadian Track and Field Championships. He made his second international appearance through the Summer Universiade and he finished twelfth at the event in Shenzhen, China. Nedow opened his 2012 indoor season with seven straight shot put wins, including a school record of to retain the Big East title. At the NCAA Indoor Championships he was two metres shorter, ended the competition in thirteenth. Outdoor personal bests followed at the Drake Relays where he won both his throwing specialities with a mark of in the shot and in the discus. He improved his discus best at the Big East Outdoor Championships, winning his first title in the event with a best of. He was below-par in the shot put, however, coming in second place with a sub-18-metre throw. He preceded the 2012 Canadian Championships in a discus best of and went on to win his first national title in the event that June. In the shot put, he placed third with a new best of behind the more established Dylan Armstrong and Justin Rodhe. He did not qualify for the 2012 Olympics as he did not have the "A" standard, but he represented his country at the 2012 NACAC Under-23 Championships in Athletics, coming fourth in the shot and sixth in the discus.
Professional career
Nedow turned professional after finishing university and began to train with fellow Canadian thrower Dylan Armstrong and his coach Anatoliy Bondarchuk. He threw a shot put best of in April then went on to complete a shot put/discus double at the 2013 Canadian Championships. He failed to register a mark at the 2013 Universiade, but was selected for the shot put 2013 World Championships in Athletics and competed in the first round only. He ended the year with a bronze medal performance in the shot put at the Francophonie Games. He added to his personal best in the shot put at the beginning of 2014, throwing in La Jolla, California. He won both shot put and discus titles at the 2014 Canadian Championships. This earned him a place at the 2014 Commonwealth Games. A put of in the final of that competition brought him the bronze medal.
