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The West's Premier National Karting Series

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  • 2025 Schedule
    • January 31-February 2, 2025 Musselman Honda Circuit, Tucson, AZ.
      • Tucson 2025 Event Info
    • March 7-9, 2025 K1 Circuit, Winchester, CA.
      • K1 Circuit 2025 Event Info
    • April 25-27, 2025 Sonoma Raceway, Sonoma, CA.
      • 2025 Sonoma Event Info
      • Registration
    • June 13-15, 2025 Utah Motorsports Campus, Grantsville, UT.
      • 2025 Utah Event Info
  • Registration
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    • NKA Rule Book
      • 2024 NKA Supplemental (Updated 1.31.2025)
    • Supplemental Regulations V2024.1
    • Event Format
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    • 2025 Fuel and Oil
    • Points Structure
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    • Happy Hour With Howden 11/24/2020
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Media

Send us your photos and links to your You Tube videos and we’ll post!

Gatorz Phx from Exertion Media on Vimeo.

Photos and video from Tucson 2012

Challenge of the Americas Tucson 2012
Challenge of the Americas Tucson 2012
Challenge of the Americas Tucson 2012
Challenge of the Americas Tucson 2012
Challenge of the Americas Tucson 2012
Challenge of the Americas Tucson 2012
Challenge of the Americas Tucson 2012
Challenge of the Americas Tucson 2012
Challenge of the Americas Tucson 2012
Challenge of the Americas Tucson 2012
Challenge of the Americas Tucson 2012
Challenge of the Americas Tucson 2012

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Photos and video from Phoenix 2012

Challenge of the Americas Phoenix 2012
Challenge of the Americas Phoenix 2012
Challenge of the Americas Phoenix 2012
Challenge of the Americas Phoenix 2012
Challenge of the Americas Phoenix 2012
Challenge of the Americas Phoenix 2012
Challenge of the Americas Phoenix 2012
Challenge of the Americas Phoenix 2012
Challenge of the Americas Phoenix 2012
Challenge of the Americas Phoenix 2012
Challenge of the Americas Phoenix 2012
Challenge of the Americas Phoenix 2012

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Photos and video from Calspeed 2012

Challenge of the Americas CalSpeed Karting 2012
Challenge of the Americas CalSpeed Karting 2012
Challenge of the Americas CalSpeed Karting 2012
Challenge of the Americas CalSpeed Karting 2012
Challenge of the Americas CalSpeed Karting 2012
Challenge of the Americas CalSpeed Karting 2012
Challenge of the Americas CalSpeed Karting 2012
Challenge of the Americas CalSpeed Karting 2012
Challenge of the Americas CalSpeed Karting 2012
Challenge of the Americas CalSpeed Karting 2012
Challenge of the Americas CalSpeed Karting 2012
Challenge of the Americas CalSpeed Karting 2012

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