What won the race: Outside front-row starter Brian Birkhofer of Muscatine, Iowa, dominated all 35 laps Friday at Tri-City Speedway for a $2,500 victory in the Late Model portion of Summit Mod Mania. Birkhofer topped fellow Iowan Chris Simpson and sixth-starting Brian Shirley.

Key notes: The 46-year-old Birkhofer ran unchallenged in his Jason Rauen-owned car. ... He scored his first victory since the 2014 15th Lucas Oil Late Model Knoxville Nationals at Knoxville (Iowa) Raceway. ... He's been idle mostly since after shutting down his racing operation after that Knoxville victory. ... DIRTcar Late Models were on the undercard of the 14th annual Summit Racing UMP Modified Mania Dirt Nationals for the second of three nights. ... Shannon Babb of Moweaqua, Ill., won Thursday’s opener as he swept both the Late Model and the modified main events. … Jake Little won the Crate Late Model feature. ... Tri-City’s season wraps up Oct. 20.

On the move: Thursday's winner Shannon Babb of Moweaqua, Ill., rallied from 21st to finish ninth.

Winner's sponsors: Birkhofer's Black Diamond Chassis is sponsored by Arnie Ranta Motorsports, Rauen Precision Machining, Lucas Oil, Tegerler Wrecker & Crane and Xtreme Graphics.

Points chase: Michael Kloos of Trenton, Ill., is Tri-City's Late Model champion.

Car count: 23

Fast qualifier: Gordy Gundaker

Time: 15.129 seconds

Polesitter: Jason Feger

Heat race winners: Jason Feger, Brian Birkhofer, Gordy Gundaker,  ,  ,  ,  ,