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Ontario Time Attack is one of the most affordable forms of motorsports, with access to Ontario’s finest race tracks. Ontario Time Attack is a great place to enjoy the thrill of grassroots racing, with the safety of a sanctioned organization and professional track marshals. Push the limits of yourself and your vehicle against the clock.

Our season-long Championship Series is open to anyone to run the whole season or just one event to try it out.

Author: TimeAttack Director on Saturday, November 30, 2019 - 03:38

Ontario Time Attack is one of the most affordable forms of motorsports, with access to Ontario’s finest race tracks. Ontario Time Attack is a great place to enjoy the thrill of grassroots racing, with the safety of a sanctioned organization and professional track marshals. Push the limits of yourself and your vehicle against the clock.

Our season-long Championship Series is open to anyone, even on a single event basis.

Author: webmaster on Saturday, November 30, 2019 - 03:30

CASC-OR sanctions the RaceOntario Championships, a series or race events run from April through October at Mosport, Shannonville, and Calabogie. The series includes a variety of individual race groups including:

  • Pirelli GT Sprints
  • Toyo Tires Formula 1600
  • Formula 1200
  • Formula Libre
  • Formula Four
  • VARAC Vintage/Historic
  • VARAC G70+
  • VARAC Formula Classic

Each group has one or more races plus qualifying and practice sessions during the 2 day events organized by the CASC-OR member clubs.


CASC-OR sanctions the RaceOntario Championships, a series or race events run from April through October at Canadian Tire Motorsport Park (formerly Mosport), Shannonville Motorsports Park, and Calabogie Motorsport Park. The series includes a variety of individual race groups including:


Autoslalom is a low-cost "grassroots" motorsport discipline that allows almost anyone to enjoy the thrill of automotive competition in a safe, controlled, and legal environment, even using their daily driver.


Ice racing is exactly what it sounds like - cars racing wheel to wheel on a track of glare ice. As winter sets in, a track layout is plowed into a field, over and over, until the track is bordered by banks of snow several feet high and ten to fifteen feet deep. Then, the track is flooded with water repeatedly until a layer of ice a foot or more thick is built up. Bring out the cars and we're ice racing!

Want to see what Ice Racing is all about? Click the play button on the image above!

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