Challenge of the Americas!

The premier winter karting series on the left coast.

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  • Home
  • COTA Schedule & Tracks
    • January 22-24, 2021: PKRA – Phoenix, AZ
      • Rounds 1/2: Jan. 22-24, PKRA Event Information
    • February 26-28, 2021: CalSpeed – Fontana, CA
      • Rounds 3/4: CalSpeed Event Information
    • March 26-28, 2021: Sonoma Raceway – Sonoma,CA
      • Rounds 5/6: March 26-28, Sonoma Event Information
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  • Rules
    • 2021 Classes
    • Event Format
    • 2021 Fuel and Oil
    • 2021 Tires
    • Pre-Tech and Declaration Procedures
    • 2017 ROK Rules
    • CRC Supplemental Rules
    • Points Structure
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    • Digital Magazine
    • Happy Hour With Howden 11/24/2020
  • Results
    • Results CoTa
    • Results CRC
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  • California ROK Championship 2021 Schedule
    • May 7-8: Buttonwillow Raceway Park
    • June 12-13: Sonoma Raceway
    • July 23-25: Pat’s Acres Racing Complex
    • August 21-22: Sonoma Raceway
    • September 25-26: Buttonwillow

Rotax Challenge Rules and Regulations

2017 Challenge of the Americas Sporting Regulations 2017 Challenge of the Americas Technical Regulations 2017 Challenge of the Americas Technical Regulations (Mini/Micro MAX)

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