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Road to Mammoth Motocross Round 4

March 28 @ 6:00 am - March 29 @ 6:00 pm PDT

Prairie City Round 4 Road to Mammoth / King of the west

Prairie City OHV Park

13300 White Rock Rd

Rancho Cordova, Ca 95742



$30 Per Person (For Weekend – including rider) No Refunds

5 and under Spectators Free

$10 Per night Camping

$30 Practice per bike

Online Registration (sign up at the track starts Friday)

Track Registration Road to Mammoth King of the west Fee’s only

$55 Race Entry Fee

AMB Transponder Rental


Vender Move in 12:00pm – 4:00pm

Camping 4:00pm to 9:00pm

Saturday Practice

Gates open: 7:00am Close: 9:00pm

Practice: 9:00am – 2:00pm

Registration: 10:00am – 4:00pm

Sunday Race Day Road To Mammoth

Gates open: 6:00am

Registration: 6:30am

Practice: 8:00am

Racing starts immediately following practice

Please bring the following to registration: Rider must be present to sign waiver, *AMA card, parent/guardian for minors, and credit card to hold for transponder collateral or your AMB/MyLaps transponder.  Must be blinking Green, if blinking red go to mxtransponder.com find link for “How to reactivate your transponder”.

*If AMA card not available or needs to be renewed stop at AMA table before getting in line.   HELP save time in line at track and renew AMA by clicking here


March 28 @ 6:00 am
March 29 @ 6:00 pm
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2x Promotions


Prairie City MX
13300 White Rock Rd
Rancho Cordova, CA 95670 United States
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