Key notes: The MARS Late Model Championship Series concludes its Memorial Day tripleheader with Sunday’s 40-lap, $5,000-to-win weekend finale at Spoon River Speedway. … Points leader Ryan Unzicker of El Paso, Ill., held off Jason Feger to win Saturday’s middle stop at nearby Fairbury (Ill.) Speedway, worth $5,000. Unzicker enters with three Spoon River specials going back to 2010, including 2022’s MARS Series visit, worth $3,000. … Feger, the three-time and reigning series champ, has four major wins since 2014 at Spoon River, including his milestone 200th career feature victory last fall, worth $5,000 in MARS action. Feger repelled Unzicker in winning Friday's $5,000 opener at Davenport (Iowa) Speedway. … World of Outlaws regular Dennis Erb Jr. of Carpentersville, Ill., topped last May’s MARS visit, earning $5,000. … McKay Wenger of Fairbury, Ill., earned his only career series victory there in the fall of 2024, worth $5,000. … Tanner English of Benton, Ky., won 2022’s $5,000 DIRTcar Summer Nationals stop. … Modifieds contest the $2,064-to-win Gary Cook Jr. Memorial on the undercard along with econo mods, hornets and Crown Vics. … Pits open at noon and grandstands open at 4 p.m. with hot laps at 5:30. … Watch live on FloRacing.

Who to watch: Ryan Unzicker of El Paso, Ill., seeks his second win of the weekend and third MARS Series victory this season.

Points chase: Before Spoon River: 1. Ryan Unzicker (412); T2. Jason Feger (322); T2. Tanner English (322); T2. Dylan Thornton (322); 5. Daniel Adam (281).

Expected entrants: Ryan Unzicker, Jason Feger, Ryan Gustin, Shannon Babb, Tanner English, Dennis Erb Jr., Caden McWhorter, Dylan Thornton, Mike Spatola, McKay Wenger, Bob Gardner, Jordan Bauer, Mitch McGrath, Daniel Adam, Austin Howes, Jeffrey Ledford, Jake Little, Mark Voigt, Austin Smith, Mike Mataragas, Myles Moos, Zach Taylor, Paul Parker, Zach Zeitner and more.

Next series race: May 29, Paducah International Raceway (Paducah, KY) $10,000