Coming off the heels of a successful inaugural running of the event, Nick Omdahl scored his first career River Cities Speedway win in the CMS No. 0 in 2016, holding off Mark Dobmeier for the victory. Casey Mack fared best that night as the challenge acceptors, finishing fourth after starting 21st.
In 2017, Mark Dobmeier won his first of three challenges, winning $8,200 after starting 23rd. He scored another $8,200 after starting 19th in his first season running with Buffalo Wild Wings on the No. 13 machine in 2018. Austin Pierce won the next three challenges held from 2019-21 in the Opp Construction No. 2A
Last year's challenge was without a doubt the wildest of the eight run so far as Mark Dobmeier won by .049 seconds over Jade Hastings in the Ault Construction No. 8H in the second closest finish in River Cities Speedway history in the timed scoring era after Bobby Martin's July 2010 victory over Thomas Kennedy.
Last season also saw the introduction of the "King of the Hill" to the event, as eight drivers face off in a one-on-one style two lap shootout to set the final eight spots in the feature starting order.
In addition to this year's challenge, the family of River Cities hall-of-famer Harry Thurlow will also be adding $1,000 to the top prize. The family added $500 to Dobmeier's winnings at Buffalo River Speedway on August 6th.
Heading into the evening, Jade Hastings leads the series standings by 13 points over Mark Dobmeier. Brendan Mullen, driver of the Native Nations Cannabis No. 11M is third with Nick Omdahl and Blake Egeland, driver of the No. 26 Engelstad Farms No. 26, round out the top five.
Zach Omdahl is sixth in the Minn-Kota Power Co-op No. 17 with Jack Croaker seventh in the Hugo's Family Marketplace Eightball and Tom Egeland eighth in the Egeland Racing Engines No. 14
Rookie leader Adam Sobolik sits ninth with the Evil Iron Classic No. 52 while Jordan Graham completes the top ten in the Advance Tile & Stone No. 99.
Racing begins at seven on Friday night.
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