Duhamel and her previous partner, Ryan Arnold, were the first pair to land a side-by-side triple Lutz jump in competition, which they did at the 2005 Canadian Championships.

[7][8] At the 2005 World Junior Figure Skating Championships, they became the first team to land a throw triple Lutz jump in international competition.

In August 2018, Greater Sudbury City Council renamed the street in Lively that Duhamel grew up on in her honour.

[7][8] At the 2005 World Junior Figure Skating Championships, they became the first team to land a throw triple Lutz jump in international competition.

[21][23] In January 2008, the pair won the bronze medal at the Canadian Nationals but during the exhibition Buntin injured his shoulder, with which he had previous problems, as a result of a timing issue.

However, their participation aggravated Buntin's injury, tearing the rotator cuff, the labrum and three tendons; he had surgery in April and the recovery took seven to eight months.

[25] Having experienced two stress fractures, a bulging disc in her back, and a nerve dysfunction in her leg, Duhamel also considered retiring but soon decided to continue competing.

During the short program at the 2011 World Championships, Radford's nose was broken when Duhamel's elbow hit him on the descent from a triple twist, their first element – she opened up too early.

The next season, Duhamel/Radford won silver at their Grand Prix events, the 2012 Skate Canada International and 2012 Trophée Eric Bompard.

[2][3] After finishing seventh at the 2014 Winter Olympics in Sochi,[36] they returned to the podium at the 2014 World Championships, where they scored personal bests in both the short program and the free skate on their way to a second bronze medal.

[38] At the inaugural 2014 Autumn Classic International held in Barrie, Ontario, they successfully executed the quad throw Salchow and won the event.

[45] Turning to the Grand Prix series, they won gold medals at the 2015 Skate Canada International and 2015 NHK Trophy.

[47] Duhamel/Radford received the bronze medal at the Grand Prix Final in December 2016 before winning their sixth consecutive national title.

At the 2017 World Championships, held in March in Helsinki, Finland, Radford had trouble training due to a muscle spasm in his hip.

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.

[58] Duhamel competed on the sixth season of the CBC series Battle of the Blades, partnered with retired NHL player Wojtek Wolski.

Inspired by her own daughter Zoey's need for neonatal intensive care following birth, Duhamel competed on behalf of the Sandra Schmirler Foundation.

[62] In May, Duhamel announced a return to the fall tour of Stars on Ice, in which she would perform with former domestic rival Dylan Moscovitch.