Key notes: I-94 EMR Speedway hosts the 40th annual Speedway Motors WISSOTA 100, a four-day WISSOTA Late Model special that culminates with Saturday’s 50-lap, $10,000-to-win finale. … Reigning Structural Buildings WISSOTA Challenge Series champ Dave Mass of East Bethel, Minn., outdueled Cole Searing to win Tuesday’s first 40-lap feature at I-94, serving as an unofficial warmup for the WISSOTA 100. Mass notched his second Challenge Series win of the season and sixth overall I-94 triumph. … Wednesday’s action features an identical 40-lap program with the top-eight finishers clinching starting spots in Saturday’s WISSOTA 100 feature. Thursday-Friday action will be highlighted by 20-lap preliminary features, setting the stage for Saturday’s consolations and 50-lap finale. … The WISSOTA 100 is a unique event that starts 33 competitors three-wide across 11 rows. … Searing, of Huron, S.D., earned a $3,000 Challenge Series victory there in May 2024. … Lucas Oil Series regular Dan Ebert of Lake Shore, Minn., is rumored to join Wednesday’s racing action after the Knoxville Late Model Nationals rained out. Ebert earned 2020’s King of Dirt victory at I-94, worth $5,087. … Chad Becker of Aberdeen, S.D., won his third career WISSOTA 100 last fall (2017, ’19, ’25), combining for more than $30,000. … Shane Sabraski of Rice, Minn., topped 2024’s WISSOTA 100. … Tyler Peterson of Hickson, N.D., won 2024’s NLRA-sanctioned King of Dirt after grabbing his first WISSOTA 100 there in 2023, collecting more than $12,000. … Modifieds, super stocks, midwest mods and street stocks are on the undercard. … Pits open at 10 a.m. Wednesday, 11 a.m. Thursday and noon Friday-Saturday; grandstands open at 3 p.m., daily; hot laps and qualifying begin at 4:30 p.m. Wednesday, then 4 the rest of the week. … Watch live on Dirt Race Central.

Who to watch: Cole Searing of Huron, S.D., seeks his first career WISSOTA 100 victory and second I-94 special.

Points chase: WISSOTA weekly as of Sept. 6: 1. Shane Sabraski (1,601); 2. Kevin Burdick (1,598); 3. Tyler Peterson (1,594); 4. Dave Mass (1,523); 5. Johnny Broking (1,522).

Expected entrants: Cole Searing, Dave Mass, Dan Ebert, Cody Overton, Kevin Burdick, Shane Sabraski, Tyler Peterson, Cole Schill, Sammy Mars, Ryan Mikkelson, Trevor Anderson, Josh Zimpel, Zach Johnson, Jeff Provinzino, Mike Stearns, Cory Crapser, Johnny Broking, Amelia Eisenschenk, Jordan Tollakson, Jayson Good, Nick Corbett, Laela Eisenschenk, Dexton Koch, Dalton Magers, Taylor Madrinich and more.