He competed in the Ontario Junior Curling Championships five times, and won in 1996 playing third for Patrick Ferris.

That rink represented Ontario at the 1996 Canadian Junior Curling Championships where they lost in a tie-breaker game to Nova Scotia's Rob Sifton.

[3] In 2010, McCormick returned to the United States after he was recruited by Bill Stopera, Martin Sather, and Dean Gemmell to replace Matt Hames, who was retiring, as skip.

With his new team, McCormick competed in the 2011 United States Men's Curling Championship, finishing fourth after a playoff loss to Todd Birr.

McCormick and his team played at the 2013 United States Men's Curling Championship, and qualified for the playoffs, defeating Fenson and Mike Farbelow in the tiebreaker round.