Competition Series

Forums

1. 944 Spec

   Series for Porsche 944s

   26.2k

   posts

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   • 2 Sets of 944 Cookie Cutter wheels for sale in Arizona
   • By Steve S 944Spec09, September 3
2. American Iron Racing

   American Iron : AI, AIX & Spec Iron

   25.3k

   posts

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   • 2022 RCR's for the 2023 Season
   • By harolddavies, Wednesday at 04:41 AM
3. CMC

   Camaro Mustang Challenge

   36k

   posts

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   • 2023 Camaro Mustang Challenge CMC Rules are posted!
   • By Sydwayz Racing, November 16
4. Enduro

   General Enduro Racing Discussion about the 25 Hour, WERC and Regional Endurance Series

   2.7k

   posts

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   • Looking for 2 seats for the 25H 2022
   • By Edgar Lau, October 1
5. German Touring Series (GTS)

   German Touring Series

   9.1k

   posts

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   • Rule Proposal - Closing GTS to non-German marques
   • By CeeDubb, November 17
6. HC

   HPD Honda Challenge

   15.8k

   posts

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   • Prop Valve
   • By Shooting Brake, September 5
7. NASA Prototype (NP01)

   The NASA Prototype (NP01) car and information about the class.

   471

   posts

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   • NP01 arrive & drive
   • By rikgray, June 6
8. ST/SU

   Super Touring and Super Unlimited

   9.6k

   posts

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   • 2023 Proposed ST Rules Revisions--Comment Period through 11-20-22
   • By pastoli, 17 hours ago
9. SM

   Spec Miata Challenge

   601

   posts

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   • Spec Miata for Sale
   • By bpmguy1, August 29
10. Spec Z

    Spec Z Racing

    1.3k

    posts

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    • 295 tires
    • By Aeneas137, June 9
11. Spec E30

    Spec E30 Racing

    50

    posts

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    • Frequently Asked Questions about the new Spec E30 Maxxis Tire Program
    • By Brett B., February 2
12. Spec3

    The forum for Spec3 Racing: BMW E36 325

    1.1k

    posts

    • 
    • Spec3 Constructor's guide
    • By TaylorGoesFast, November 16
13. Spec E46

    Spec E46 Racing

    25

    posts

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    • For Sale: Spec E46 new build (partial) $19,500. No sunroof, original manual transmission, newly rebuilt engine
    • By Sal, April 5
14. Teen Mazda Challenge

    The NASA Teen Mazda Challenge is a unique program designed specifically for young drivers coming out of karting and entering sports car racing.

    8

    posts

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    • Impossible to set up a login
    • By Michael MX5, Saturday at 06:28 PM
15. Time Trial

    NASA TT utilizes a car classification system that is easy to understand, and gives HPDE 4 drivers a taste of competition by allowing them to compete for top lap times, in advanced, open passing run sessions, against similarly prepared cars for awards, prizes, and recognition.

    27.1k

    posts

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    • Hot Pits
    • By Anderson Motorsports, November 4
16. Team Racing Endurance Challenge (TREC)

    The NASA TREC series is an Endurance Racing series devoted to fun, low-cost competition. It provides for a low barrier of entry to NASA competition, making it very easy to get started in racing. 

    124

    posts

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    • Dry break, and other Pit Stop questions
    • By Tansar_Motorsports, October 5