|Born||December 11, 1972|
|Curling club||CC Cap-de-la-Madeleine, Cap-de-la-Madeleine, Quebec|
|Brier appearances||1 (2007)|
After playing lead for Michel Ferland at the 1991 Canadian Junior Curling Championships, Berthelot would be bumped up to third on Ferland's team and they won the 1992 Canadian Juniors. This qualified them for the 1993 World Junior Curling Championships where they won a silver medal - losing to Scotland (skipped by Craig Wilson) in the final.
In 2006, Berthelot joined up with Pierre Charette and Berthelot won his first Quebec men's provincial championship in 2007. His last provincial championship appearance was in 2009 playing for Martin Ferland where they lost in the final.
Berthelot is currently the General Manager for Curling Quebec.
- Marco Berthelot on the World Curling Federation database
- Marco Berthelot on the World Curling Tour database
- Marco Berthelot on the CurlingZone database