In January, Duhamel/Radford won their seventh consecutive Canadian pairs' title, an all-time record, at the 2018 Canadian National Championships. In February, they represented Canada at their second Winter Olympics, which took place in PyeongChang, South Korea. Competing in the team event, they placed second in the short program, and first in the free skate, contributing to Canada's team gold medal. At 32 and 33 years old respectively, they were among the oldest Olympic champions in figure skating. They were the only top pair to skate both segments of the team competition, as individual pairs was to take place first of the individual figure skating events. In the individual event, Duhamel/Radford ranked third in the short program and second in the free skate, finishing in third place and earning the bronze medal. They became the first pair to complete a throw quad at any Winter Olympic competition.