Challenge of the Americas!
The premier winter karting series on the left coast.
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2025 Schedule
January 31-February 2, 2025 Musselman Honda Circuit, Tucson, AZ.
March 7-9, 2025 K1 Circuit, Winchester, CA.
April 25-27, 2025 Sonoma Raceway, Sonoma, CA.
June 13-15, 2025 Utah Motorsports Campus, Grantsville, UT.
Classes
Rules
NKA Rule Book
2024 NKA Supplemental (Updated 2024.01.26)
Supplemental Regulations V2024.1
Event Format
Pre-Tech and Declaration Procedures
2024 Fuel and Oil
Points Structure
Media
Digital Magazine
Happy Hour With Howden 11/24/2020
Results
Results CoTa
Series Points
Champions
Sponsors
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