[1][2] He won a silver medal at the 2015 FINA World Championships in the 10 m mixed synchro event and a silver medal at the 2015 Pan American Games in the 10 m synchro event.

[3][4][5][6] He was selected as part of the Canadian Olympic team for the 2016 games in Rio and competed in the 10m platform alongside Maxim Bouchard.

[7] Under a month later, the pair won silver in the same event at the 2019 Pan American Games in Lima, Peru.

[8] At the 2021 FINA Diving World Cup, Riendeau and Zsombor-Murray won bronze in the 10 m synchro event, claiming Canada an Olympic berth.

[9] In June 2021, Riendeau was officially named to represent Canada at the 2020 Summer Olympics.