Thor United States Mega Series presented by Bridgestone Season Opener at Muddy Creek Raceway on March 4-5

    The Victory Sports outdoor motocross season opener is set for March 4-5 at Muddy Creek Raceway.
    This opener for the THOR United States Mega Series presented by BRIDGESTONE will be BRIDGESTONE Tire Day at Muddy Creek.

    Saturday will be a Practice Day for Bikes (8:00am til 1:00pm) then ATVs will practice and race on Saturday afternoon.

    AMA membership is required.  You can get your AMA membership by clicking on the AMA button on this page or you can get it at the track.


    CLICK on the MEGA SERIES button then click on the CLASSES button to get the list of all classes.

    Gates will open at 4:00pm on Friday.

    **NOTE – New AMA Rule for 2017:
    The minimum age for amateur riders is 12. A rider must be 14 or older to ride a 201cc up to a 350cc motorcycle. A rider must be 16 or older to ride a 351cc or above motorcycle. The age of the rider is determined as of the date of the event, youth riders are not exempt.  So a 12 or 13 year old will have to ride a 125cc or 150cc bike. These bikes can go into the Schoolboy class or the 125cc two Stroke class.