Mason Mitchell won the ARCA Racing Series event Friday night on his home track, passing Kyle Weatherman in a one-lap overtime sprint to the finish at Iowa Speedway.
Mitchell, from West Des Moines, took the lead on the inside in his own Mason Mitchell Motorsports Chevrolet and held on for first victory of the season and second in the stock-car series.
Minutes earlier in a two-lap green-white-checker attempt on the 0.875-mile track, Weatherman got a jump on the outside in his Cunningham Motorsports entry and appeared to be headed to victory until another caution forced the final one-lap shootout.
Mitchell, the defending series champion, also won last year at Chicagoland Speedway.
The 17-year-old Weatherman, from Wentzville, Missouri, finished second. He raced to his first series victory in May on the road course in Millville, New Jersey.
Tom Hessert was second, and Austin Cindric third — both driving for Cunningham Motorsports.