They ran the Rolex 24 at Daytona last weekend and photographer John Larsen was there for Toronto Star Wheels.
Here is a selection of his photographs.
Ashley McCalmont of Ancaster drove in the Continental Tire support race.
Paul Dalla Lana of Toronto (above) and Bill Auberlen won the Continental race but their car was disqualified.
Arguably Canada's most successful international road racer, or one of them at least, Scott Maxwell of Toronto drove well in the Continental race.
Ashley Freiberg and Shelby Blackstock won the Continental Tire race after Dalla Lana and Auberlen
Singer Reba McEntire was proud of her son, Shelby Blackstock.
Martin Barkey (left) and Kyle Marcelli of Barrie are ready for action.
Mark Wilkins of Caledon (left) and Anthony Mantella prepare to start the Continental race.
A record number of cars started the Rolex 24, the first race of the new, unified, TUDOR United SportsCar Championship.
This is photographer Larsen's favourite image - the Spirit of Daytona at night.
When the Delta Wing was first unveiled, it was new, different and exciting. Now that it's a coupe, it is just plain butt ugly.
Canadian James Hinchcliffe of Oakville, seen here with his sweetheart, Kirsten Dee, took a break from IndyCar racing to compete in the Rolex.
A would-be legend meets a legend: Patrick Dempsey enjoys some time with Emerson Fittipaldi.
David Ostella of Maple put the pedal to the metal in the Prototype Challenge class.
Kuno Wittmer of Hudson, Que., was all suited up for battle.
Mark Wilkins of Caledon looks over his mount. He and his team won the Prototype Challenge class at the Rolex 24 of Daytona.
Canadian IndyCar star Alex Tagliani, soon to be racing in the NASCAR Canadian Tire Series, chats with teammate Conor Daly at the Rolex 24.
Canadian Kuno Wittmer, at speed in his Viper.
- NORRIS McDONALD