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American Retrocross

Vintage Moto Racing

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Rules and class structure

ARX ENTRY FORM 2025Download

Rules

We have enough rules to create a level playing field and no more.

1.) Sign up closes at 8:45am SHARP. No exceptions, so please don’t ask.
2.) Rider’s meeting is at 8:45am and is mandatory. No refunds after rider’s meeting.
3.) Practice begins at 9:00am and is segregated into bike categories to create a safer mix of machines. Only ride your category.
4.) An ARX official will lead the first lap of practice to assure everyone is clear on the layout. Do not pass the lead rider on the first lap.
5.) If you do not ride practice you cannot race. Simply too dangerous.
6.) Pit speed is 5 mph and you must wear a helmet.
7.) ARX is all about friendly racing. Aggressive riding will not be tolerated.
8.) Riding in a class you are not signed up for or allowing someone to ride in a class they are not signed up for will result in disqualification.
9.) Kick stands must be removed before practice.
10.) Have contrasting numbers on all three number plates. 

American Retrocross Class Structure

Our philosophy is to give every rider the opportunity to race two classes with the same bike. See where you and your machine fit in and keep in mind that there is a Novice, Intermediate and Expert category for each class.

  • Junior Under 16 (80cc min.)
  • Women (Any bike)
  • Pre-75 (Vintage)
    0-200 (2 or 4 stroke),Four stroke (250/500) & Two stroke (250/500)
  • Evo 1 (Pre-78)
    0-200, 250 & Open
  • Evo 2 (Pre-Linkage)
    0-200, 250 & Open
  • Evo 3 (Pre-Disc brake)
    0-200, 250 & Open
  • Evo 4 (Pre-90)
    0-200, 250 & Open (includes any 360-500 two stroke)
  • Evo 5 (Pre-98)
    0-200, 250-Open combined
  • Open Decade (Bikes 10 yrs & older)
    All displacements combined
  • Open Modern (Bikes less than 10 yrs old)
    All displacements combined
  • 2×4 (230cc max, air cooled, four stroke)
  • Age Groups
    Vintage (Under 40, 40+, 50+, 60+)
    Evo 1-5 (Under 40, 40+, 50+, 60+)
    Modern/Decade run together (Under 40, 40+, 50+, 60+)

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17 May 2025

Glen Helen Raceway

Glen Helen Raceway, Glen Helen Raceway, 18585 Verdemont Ranch Rd, San Bernardino, CA 92407, USA

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15 June 2025

Glen Helen Raceway

Glen Helen Raceway, Glen Helen Raceway, 18585 Verdemont Ranch Rd, San Bernardino, CA 92407, USA

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27 July 2025

Glen Helen Raceway

Glen Helen Raceway, Glen Helen Raceway, 18585 Verdemont Ranch Rd, San Bernardino, CA 92407, USA

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20 September 2025

Glen Helen Raceway

Glen Helen Raceway, Glen Helen Raceway, 18585 Verdemont Ranch Rd, San Bernardino, CA 92407, USA

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18 October 2025

Glen Helen Raceway

Glen Helen Raceway, Glen Helen Raceway, 18585 Verdemont Ranch Rd, San Bernardino, CA 92407, USA

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16 November 2025

Glen Helen Raceway

Glen Helen Raceway, Glen Helen Raceway, 18585 Verdemont Ranch Rd, San Bernardino, CA 92407, USA

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07 December 2025

Glen Helen Raceway

Glen Helen Raceway, Glen Helen Raceway, 18585 Verdemont Ranch Rd, San Bernardino, CA 92407, USA

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American Retrocross
  • Home Page
  • About Us
  • Gallery
  • Frequently Asked Questions
  • Rules & class structure
  • Schedule
  • Race Results
  • Buy ARX Jerseys
  • Media
  • Blog
  • Facebook
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