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Event Date:  8/28/2026
2026 Dynamite Grand Prix
Online Reg Closes:  2026-08-30T21:00:00Z

Dynamite Grand Prix – Aug 29-30, 2026

Cache Valley MX – Preston, ID

Combined Points Event with NGPC, WORCS, GRASSROOTS OFF-ROAD, UMORA, & SIDRA

SCHEDULE

Friday, Aug 28th
• MX Track & Off-Road Practice

Saturday Aug 29th & Sunday Aug 30th
• Dynamite Grand Prix Race on the full Off-Road Course

Please review the Race Order and Class Map to determine:

· Which day(s) your class competes

· Which class you should register for

· How your results will apply to your series championship

Event Info & Pricing

Friday Practice:  Sign up Below

Race Registration:  Sign up below

• Discounted Pricing Ends Monday, Aug 24th at 5:00 PM (MT)
•  Registration fees increase  $10 per class after the deadline.

 Admission Wristbands: Purchased upon arrival. (Cash, Card, accepted onsite)

All Riders - All Ages - Spectators age 6yrs & Up

• $10.00/day 
• $20/weekend (covers entire weekend)

 Camping:

• $20.00/night event

Vehicle:

• $10.00/event

 ***REQUIRED*** MYLAPS Transponder Reservations:

• $200 deposit per unit 
• Fully refundable upon return
• Includes: 1 transponder 1 mounting bracket
• Extra brackets: $10 each

CONTACT US

Have questions? We're here to help!
Call: 801-540-8625
Email: grassrootsmx1@gmail.com

CacheValleyMX.com

Refund Policy:  Refunds are available until 7:00am Saturday. Requests must be emailed to grassrootsmx1@gmail.com. Text messages and voicemail is will not be accepted. Refunds, less processing fees, willl be processed the Monday following the event.
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Event Date:  8/28/2026
2026 Dynamite Grand Prix
AMA Information*
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AMA Memberships are required for this event, if you do not have one, you may purchase or renew online.
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