He began sailing in 2010 in the 420 class boats at the Royal Hamilton Yacht Club, and switched to the 49erFX class in 2015, when he teamed up with Will Jones.[1] They later switched to the 49er class.
In 2017, DePaul and Jones won gold at the World Junior Sailing Championships in the 49er class.[3][4]
In March 2021, DePaul was named to Canada's 2020 Olympic team with his partner William Jones, by being ranked as the top Canadian boat at the 2020 World Championships.[5][6] DePaull and Jones finished 19th in Tokyo.[1]
DePaul announced his retirement from competitive sailing October 27, 2022.[1]