Key notes: The Repairable Vehicles.com Tri-State Late Model Series concludes its Brown County Speedway doubleheader with Saturday’s 66-lap, $5,000-to-win Dacatoh Rumble. … Saturday’s feature honors Terry Voeltz, the first WISSOTA executive director who spent more than 20 years promoting Brown County and Jamestown (N.D.) Speedway; Voeltz died on Aug. 5, 2025, at the age of 78 after a two-year battle with cancer. … Cole Searing, Dyllan Ricks, Mike Greseth, Thomas Weisgram and Trevor Anderson won Friday’s heat races before rain hit and washed out the $2,500-to-win opener. … Searing, of Huron, S.D., topped June 5’s earlier Tri-State Series visit to Brown County. … Chad Becker has nine specials since 2017 at his home track, including 2020’s $10,000 Rumble finale, combining for more than $25,000 over that span. … Kent Arment of Aberdeen, S.D., has three WISSOTA Challenge Series victories there (2013, ’18-’19) to go along with 2021’s Big Buck Nationals, worth more than $9,000. … Josh Skorczewski topped a Northern Late Model Racing Association stop at his home track in 2024, earning $2,566. … Mike Stearns won last year’s Tri-State-sanctioned Rumble finale at his home track and the $5,000 top prize. … The feature’s halfway leader will receive $100 courtesy of Derek Hadrick and the driver who gains the most positions will receive $100 thanks to Casey Bossert. … Street stocks and legends are on the undercard. ... Pits open at 4 p.m. and grandstands open at 5 with hot laps at 7. … Watch live on Dirt Race Central.

Who to watch: Cole Searing of Huron, S.D., seeks his second Tri-State Series victory of the season at Brown County.

Points chase: Before Brown County: 1. Trevor Anderson (1,249); 2. Cory Dumpert (1,204); 3. Cody Thompson (1,196); 4. Shane DeMey (1,153); 5. Justin Zeitner (1,026).

Expected entrants: Cole Searing, Chad Becker, Mike Greseth, Justin Zeitner, Shane Edginton, Trevor Anderson, Mike Stearns, Kent Arment, Gary Brown Jr., Cody Thompson, Shane DeMey, Josh Skorczewski, Lane Brenden, Chris Palsrok, Chase Gelling, Cory Dumpert, J.T. Wasmund, Dylan Schmer, Morgan Ward Grosz, Thomas Weisgram, Curt Kranz, Charlie Olsen, Alissa Palsrok and others.

Next series race: August 8, Worthington Speedway (Worthington, MN) $1,500