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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:

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