Key notes: Red Cedar Speedway hosts this weekend’s 46th annual Punky Manor Challenge of Champions, a WISSOTA Late Model special that concludes with Saturday’s $5,057-to-win main event. … The two-day Punky Manor event honors the late racer and former Late Model champion who died at the age of 26 in an automobile accident. … Action gets underway with Friday’s heat races preceding Saturday’s consolations and 40-lap feature. … Track points leader Ashley Anderson of Elk Mound, Wis., seeks his third WISSOTA Late Model victory this season at Red Cedar and first Punky Manor Challenge of Champions since 2000. … Chad Mahder of Bloomer, Wis., also a two-time winner this season in local WISSOTA Late Models, won the last two Punky Manors completed in 2022 and ’24 (2023 cancelled and last year rained out), worth more than $10,000. … Sammy Mars seeks his third WISSOTA Late Model victory this season at his home track and first career Punky Manor. … Jesse Glenz of Chippewa Falls, Wis., is fresh off a $9,292 victory in Sept. 12’s John Seitz Memorial at River Cities Speedway in Grand Forks, N.D., after winning Aug. 7’s $4,000 WISSOTA Challenge Series stop at Red Cedar. … Mike Prochnow joins Anderson, Mahder, Mars and James Giossi as local WISSOTA Late Model winners this season at his home track. ... Red Cedar’s 2025 Hall of Fame Class — Dave Shackleton, Jerry Kadinger, and Betty Frank — will be honored during an induction ceremony on Sept. 25 while the 2026 Hall of Fame Class — Rich Vernon, Mike Wolterstorff and Bob Obermueller — will be inducted Sept. 26. … Live music will follow Friday’s racing program, featuring Call it Karma playing in the barn. … USRA Crate Late Models ($1,500-to-win), modifieds, super stocks and midwest mods are on the undercard. … Pits open at 3 p.m. and grandstands open at 5 with hot laps at 6. … Watch live on Dirt Race Central. … Practice was Thursday night.

Who to watch: Chad Mahder of Bloomer, Wis., seeks his third consecutive Punky Manor Challenge of Champions victory.

Points chase: Red Cedar before Saturday: 1. Ashley Anderson (491); 2. John Kaanta (376); 3. Brett Shafer (320); 4. Jake Redetzke (318); 5. Sammy Mars (313). WISSOTA weekly as of Sept. 18: 1.Kevin Burdick (1,607) 2. Tyler Peterson (1,606); 3. Shane Sabraski (1,604); 4. Dave Mass (1,566); 5. Chad Becker (1,544).

Expected entrants: Chad Mahder, Jesse Glenz, Sammy Mars, Ashley Anderson, Jake Redetzke, Pat Doar, A.J. Diemel, James Giossi, John Kaanta, Travis Budisalovich, Mike Prochnow, Cory Crapser, Brett Shafer, Rick Hanestad, Dan Bargender, Mark Hessler, Jim Carlson, Greg Nippoldt, Cory Bruggeman, Jake Hartung, Aaron Wilson and others.