| Jason Fensler began his racing career at the age of 15, racing go-karts. By 16, he was racing in the Modified class at Stockton 99 Speedway (CA), finishing his rookie season second in points. In 1993, Fensler won the track championship in the Modified class at Mesa Marin Raceway in Bakersfield, CA. He also made his debut to the K&N Pro Series West in 1993 with two top 10 finishes. In 1994, Fensler returned to Stockton 99 and finished third in points as well as winning the rookie title in the NASCAR Whelen All-American Series Late Model class. He won the championship in 1997 at Altamont Raceway Park near Tracy, CA for the NASCAR Whelen All-American Series Modified class. In 1998 he won another championship in the same class at Stockton 99. Fensler also raced in the former NASCAR Southwest Tour, competed in the late model touring series on the West Coast, claiming the championship in 2005. His first NASCAR K&N Pro Series career win came at Altamont Raceway Park in 2008, Followed by a win in 2011 at All-American Speedway in Roseville , CA, and a third place finish at the Bullring at Las Vegas Motor Speedway. Additionally, Fensler worked as team manager with Allen Beebe Racing and Speed Wong Racing.
NASCAR K&N Pro Series West Statistics
1993—2 starts, 2 top ten finishes
2007—1 start
2008—1 start, 1 win
2011—3 starts , 1 win, 1 top 5, 1 top 10, also competed in the Toyota All Star Showdown (a non-points event)
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