What won the race: A.J. Diemel of Elk Mound, Wis., outran polesitter John Kaanta to capture Friday night’s River City Rumble at Mississippi Thunder Speedway. He earned $3,000 for his 14th career victory on the Wollak Construction Wissota Challenge Series.

Key notes: Pat Doar of New Richmond, Wis., who is currently tied for first in the Wollak Construction WISSOTA Challenge Series point standings, finished third. … The WCS visited Mississippi Thunder Speedway for a weekend doubleheader. Jesse Glenz of Fall Creek, Wis., won Thursday’s opener. … Friday marked the fifth visit to the track in WSC history. … Rodney Sanders swept the companion USRA Modified doubleheader.

On the move: Rick Hanestad of Boyceville, Wis., started 12th and finished seventh.

Winner's sponsors: Diemel's MB Customs Race Car is sponsored by Beltline Body Shop, Southworth Chevrolet, White City Glass, Badger Storage and Excavating and Deppe Enterprises.

Points chase: Heading into the weekend, Kent Arment and Pat Doar were tied atop the WSC standings.

Current weather: Sunny, 79°F

Car count: 18

Polesitter: John Kaanta

Heat race winners: John Kaanta, Pat Doar, Jake Timm,  ,  ,  ,  ,  

Next series race: July 27, Rice Lake Speedway (Rice Lake, WI) $2,000