Challenge of the Americas!

The premier winter karting series on the left coast.

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  • 2023 COTA Events
    • Feb 3-5: Musselman Honda Circuit – Tucson, Arizona
      • Tucson Event Info
    • March 3-5: Phoenix Kart Racing Association – Glendale, Arizona
      • Phoenix Event Info
    • April 14-16: Sonoma Raceway – Sonoma, California
      • Sonoma Event Info
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  • Rules
    • 2023 Classes
    • Sporting Regulations
    • Supplemental Regulations V20231.1
    • Pre-Tech and Declaration Procedures
    • Points Structure
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    • Happy Hour With Howden 11/24/2020
  • Results
    • Results CoTa
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  • California ROK Championship 2023 Schedule
    • July 14-16, 2023: Pat’s Acres Racing Complex – Canby, OR

Rotax Challenge Rules and Regulations

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