In 2015, Mislawchuk raced in the 2015 Pan American games in Toronto, finishing in 10th place with a time of 1:49:54.

In November 2017, Him was named to represent Canada at the 2018 Commonwealth Games in the Gold Coast, Australia.

[5] In June 2021, Mislawchuk won the last race before the Olympics as part of the ITU World Cup stop in Mexico.

[5] In July 2021, Mislawchuk was officially named to Canada's 2020 Summer Olympics team[6] where he came in 15th place.

This biographical article related to a Canadian known for competing in triathlons is a stub.