PHOTOS: USAC Ultimate Challenge
by NSSN Staff
- Dave Darland (11) battles Thomas Meseraull during the USAC AMSOIL National Sprint Car Series Ultimate Challenge at Southern Iowa Speedway. (Dick Ayers Photo)
- Kyle Larson (69) leads Justin Grant en route to a $15,000 victory in the USAC AMSOIL National Sprint Car Series Ultimate Challenge Tuesday at Southern Iowa Speedway. (Dick Ayers Photo)
- Chase Stockon (32) tries to overtake Bryan Clauson during action at Southern Iowa Speedway Tuesday. (Dick Ayers Photo)
- Kyle Larson takes the checkered flag to win his second-straight USAC Ultimate Challenge at Southern Iowa Speedway Tuesday evening. (Dick Ayers Photo)
- Kyle Larson celebrates in victory lane after winning the Ultimate Challenge at Southern Iowa Speedway. (Hein Brothers Photo)
- Bryan Clauson (7), Damion Gardner (71) and Chase Stockon go three-wide during USAC AMSOIL National Sprint Car Series competition Tuesday at Southern Iowa Speedway in Oskaloosa, Iowa. (Hein Brothers Photo)













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