Patrick Carpentier raced in several disciplines throughout his career, starting out in karts and the Spenard-David Racing School, before rising through the Formula Atlantic ranks, winning the 1992 Formula Atlantic (Canada) and 1996 Toyota Atlantic Championship titles. He set a season record for most wins in 1996, with nine victories in 12 events.

Carpentier later raced in CART, IndyCar and Champ Car, recording five wins and 24 podiums in 157 starts. He transitioned to closed wheel competition in the mid-2000s, finishing second overall in the 24 Hours of Daytona in 2007, winning a NASCAR Cup Series pole in 2008 and recording five top-10 finishes in the NASCAR Xfinity Series between 2007 and 2008. Away from the driver’s seat, he joined RDS as a commentator in 2013.