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Road to Mammoth Round 4

April 10 @ 6:00 am - April 11 @ 6:00 pm PDT

Porterville OHV Round 4 Road to Mammoth / AMA California State Championship

Porterville OHV
2701 West Scranton Ave
Porterville, Ca 93257

@2xmxpark or @2xpromtions

$30 Friday Practice Fee

$25 Friday – Sunday
$20 Saturday – Sunday
$15 Sunday only

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

Vendor 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


April 10 @ 6:00 am PDT
April 11 @ 6:00 pm PDT
Event Category:


2701 W. Scranton Ave.
Porterville, CA 93257 United States
+ Google Map
(559) 782-7541


2x Promotions