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STI QuadX Series Kicks off Sunday, January 25th!

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STI QuadX Series Kicks Off Sunday, January 25th!

The ever-popular QuadX Series has announced a new Series Sponsor with STI Tire & Wheel taking the title role! Yamaha continues its long-standing involvement with this series, now becoming the Presenting Sponsor.

UTV and Quads are featured in this five-race series that runs from January through July. All five events are scheduled for Glen Helen Raceway, and the dedicated Glen Helen crew promises a great track for all five rounds. There are classes for all age groups and all skill levels–check out the STI QuadX Series (presented by Yamaha) at or!

Series Schedule
Round 1 Sunday January 25th
Round 2 Saturday March 21st
Round 3 Saturday May 2nd
Round 4 Saturday June 27th
Round 5 Saturday July 25th

Entry fees:
$30 Youth
$40 Amateur
$45 Pro/Am w/50% PayBack
$75 Pro Quad / UTV w/100% PayBack

Gate Fees:
Adults – $10
Kids 6-12 yrs – $5

UTV Classes: UTV Pro, Unlimited, Sportsmanrguiuiertyuiopi
Quad Amateur Classes:
Open Production-Exp, Int, Nov, Beg
Pro/Am-Exp, Int, Nov, Beg
Vet+30-Exp, Int, Nov
Senior+40 Open-All Skills
91-250cc 2 STK-Int, Nov, Beg
250 Air Cooled Production-Int, Nov, Beg
250 Air Cooled Mod Prod-Int, Nov, Beg
Women Open-Int, Nov, Beg

Youth Classes:
91-300cc 2 & 4 Stk 12-15 yrs
71-90cc (90cc 2-stk/125cc 4stk) 8-11 yrs
71-90cc (90cc 2-stk/125cc 4stk) 12-15 yrs
90cc CVT Production 8-15 yrs
50cc Open Class
51cc-70cc (70cc Max) 6-11 yrs, shifter or auto

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