Challenge of the Americas
The West’s premier national karting series.
Next Upcoming Event
Challenge of the Americas 2025 Rounds 1/2 - January 31 to February 2
Musselman Honda Circuit - Tucson, AZ
Challenge of the Americas 2025 Rounds 3/4 - March 7-9
K1 Circuit - Winchester, CA
Registration Not Open
Challenge of the Americas 2025 Rounds 5/6 - April 25-27
Sonoma Raceway - Sonoma, CA
Registration Not Open
Challenge of the Americas 2025 Rounds 7/8 - June 13-15
Utah Motorsports Campus - Grantsville, UT
Registration Not Open