For the 2015 race season, STI Tire & Wheel will be featured as the title sponsors of the STI QuadX & UTV Racing Series.
The five-race series kicks off January 25 at Glen Helen Raceway in Southern California. A combined $3,000 prize purse plus 100-percent Pro payback is allocated for ATV Pro and UTV Pro competitors. Additional prizes are available for holeshot winners and a range of racing categories.
Amateur classes include several youth divisions, plus racing classes are in place for Women, Seniors, modified machines, production machines, two-strokes and more.
2015 STI QuadX & UTV Racing Series schedule (All races will be held at Glen Helen Raceway)
Opening Round Sunday, Jan. 25 Round 2 Saturday, Mar. 21 Round 3 Saturday, May 2 Round 4 Saturday, June 27 Round 5 Saturday, July 25
Visit quadxseries.com for more information.