Challenge of the Americas!

The West's Premier National Karting Series

Main menu

Skip to primary content
Skip to secondary content
  • Home
  • Classes
  • Rules
    • NKA Rule Book
      • 2024 NKA Supplemental (Updated 1.31.2025)
    • Supplemental Regulations V2024.1
    • Event Format
    • Pre-Tech and Declaration Procedures
    • 2026 Fuel and Oil
    • Points Structure
  • Media
    • Digital Magazine
    • Happy Hour With Howden 11/24/2020
  • Results
    • Results COTA
    • Champions
    • Series Points
  • Sponsors
  • Contact
  • Cascadia Karting Cup 2026
    • Event Registration Cascadia Karting Cup
    • Cascadia Classes
    • Cascadia Karting Cup Event Format
    • Cascadia Fuel and Tires Rules
    • Cascadia Karting Cup – Pre-Tech & Declaration Procedures

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)
Neliton Race Concepts logo
west coast motorsports logo

Copyright ©2018 Challenge of the Americas. All rights reserved. Site by rationaldesignstudio.com.