WMX Championship

2025 Supplemental Rules

The following Rules supplement the current AMA Racing Rulebook, which governs amateur racing. Current AMA members in good standing may compete. For the 2025 AMA Racing Rulebook, go HERE.

Revised: 5.21.25

A. WMX RACE SCHEDULE 

RoundDateDayEventLocation
1May 23FriPala NationalPala, CA
2May 30FriHangtown ClassicRancho Cordova, CA
3Jun 6FriThunder Valley NationalLakewood, CO
4Aug 8FriIronman NationalCrawfordsville, IN
5Aug 15FriUnadilla NationalNew Berlin, NY
6Aug 22FriBudds Creek NationalMechanicsville, MD

B. RIDER ELIGIBILITY 

  1. WMX is a female class based on the rider’s original birth certificate.
  2. Age requirement: 16 years minimum.
  3. Former or current AMA professional licensed female riders are eligible for the class.
  4. Novice “C” skill level riders are ineligible for class.
  5. Medical Insurance: Riders must have medical insurance coverage effective throughout the event to compete. Proof of medical coverage is required in order to register and upon request.
  6. Concussion Test: Riders must have proof of completion of the ImPACT neurocognitive baseline test dated within two years of the date of competition. https://baselinetesting.com/
  7. On race day, WMX Riders may only compete and/or participate in the WMX practice session(s) and race motos and may not enter or compete in any other class or practice group.

C. MACHINE ELIGIBILITY

  1. Machine Size: 122-250cc combustion engines only.
  2. Wheelbase: Front 21”; Rear 18”.

D. RACE PROCEDURES 

  1. Race Format: Two-moto format at 15 minutes plus one lap per moto.
  2. Number Plates:
    a. All riders must display the official WMX number plate sticker across the top of their front number plate.

    b. The following number plate color combinations are recommended:
    ClassPlateNumberPMS Code
    WMXBlueWhiteProcess Blue
    WMX Points LeaderRedWhitePMS 032 C

    c. Number 1: The current WMX National Champion must compete with the #1.
  3. All Riders must display the official WMX logo on the upper left front torso or left shoulder area of their jersey. The minimum size of the logo is 2½ inches wide.
  4. Championship points will be awarded per moto based on the following point scale:
    FinishPointsFinishPoints
    1251110
    222129
    320138
    418147
    516156
    615165
    714174
    813183
    912192
    1011201
  5. Class championship will be determined by the rider’s best 10 moto finishes.

E. PURSE

  1. WMX is a purse-paying class. The purse will consist of the greater of 100% of the class entry fees or $1500, at a minimum as follows:
    PER MOTO
    1st$300
    2nd$200
    3rd$125
    4th$75
    5th$50
  2. Riders who accept a monetary purse award will lose their AMA “C” class ranking.