Key notes: The Midwest LateModel Association wraps up its Labor Day tripleheader with Sunday’s 31-lap, $7,064-to-win Rex McCroskey Memorial at Springfield Raceway. … The event honors McCroskey, of Springfield, Mo., a fixture in the early years of MLRA competition who captured 20 feature victories en route to two series titles; McCroskey died on Sept. 28, 2024, at age 67. … Dillon McCowan of Urbana, Mo., kicked off the weekend’s action by winning Friday’s Ron Jenkins Memorial prelim at nearby Lucas Oil Speedway in Wheatland, Mo., worth $5,000. McCowan is a two-time Springfield feature winner, including last year’s $6,064 McCroskey Memorial. … Chase Junghans of Manhattan, Kan., topped Saturday’s $10,000 Jenkins Memorial finale at Wheatland, snapping a near four-year absence from victory lane. … Points leader Tony Jackson Jr. of Lebanon, Mo., has five Springfield specials, including a March Madness sweep earlier this year, worth more than $10,000. … Sawyer Crigler of Alton, Mo., is a 10-time feature winner there in 4 State Late Model Series action. … Terry Phillips has three major wins since 2010 at his home track, collecting $9,000, but none since 2014. … Off-track entertainment features a short fireworks show. … B-mods, full bodies, bombers, front-wheel drives, legends and two divisions of midwest mods are on the undercard. … Pits open at 3 p.m. and grandstands open at 5:45 with hot laps around 7. … Watch live on RaceON.

Who to watch: Tony Jackson Jr. of Lebanon, Mo., seeks his third MLRA victory of the season at Springfield.

Points chase: Before Springfield: 1. Tony Jackson Jr. (2,140); 2. Aaron Marrant (1,910); 3. Jeff Herzog (1,870); 4. Matthew Larson (1,645); 5. Brennon Willard (1,485).

Expected entrants: Tony Jackson Jr., Dillon McCowan, Billy Moyer, Chase Junghans, Chris Simpson, Scott Crigler, Terry Phillips, Eli Ross, Clay Stuckey, Kylan Garner, Sawyer Crigler, Cole Wells, Tyler Kuykendall, Aaron Marrant, Derrick Stewart, Jon Kirby, Kayden Clatt, Jeff Herzog, Dylan Sillman, Matthew Larson, Jace Parmley, Kaeden Cornell, Chevy Boyer, Charlie Cole, Brandon Baldridge and others.

Next series race: September 20, Quincy Raceway (Quincy, IL) $5,000