Key notes: Enid Speedway hosts the Charlie Lavicky Memorial, a $10,000-to-win Late Model special co-sanctioned between the Ross Foundation Sooner Series and United Rebel Series. … The event is sponsored by Lavicky Sand, the company founded by Charles “Charlie” Lavicky Jr., who died May 12, 2024, at the age of 88. … The two-day show begins with Friday’s heat races and qualifiers, where a set number (to be determined later) will be locked into Saturday’s main event; those not locked in Friday will need to qualify through one of Saturday’s consolations. … Eli Ross of Muskogee, Okla., is fresh off a $6,600 victory at his home track in an event honoring his late brother, Hayden Ross. Eli Ross leads all drivers with three Sooner Series wins thus far, including March 28’s $1,000 season opener at Enid co-sanctioned with the Rebel Series. … Tanner Mullens of Wichita, Kan., is a perfect 5-for-5 in Rebel action this season, earning more than $8,000. … Chris Wilhite Jr. of Chandler, Okla., won June’s $1,000 Sooner stop. … Kip Hughes of Enid, Okla., was a two-time Sooner Series winner last year at his home track, collecting more than $2,000. … Each night has a fireworks display. … Factory stocks, B-mods and hot shots are on the undercard. … Pits open at 4 p.m. and grandstands open at 5, with racing at 8 p.m. in Friday’s opener; racing starts 30 minutes earlier for Saturday’s finale.

Who to watch: Eli Ross of Muskogee, Okla., who chases his second Enid win this season and second straight Sooner victory.

Points chase: Sooner before Enid: 1. Dan Smith (2,952); 2. Delbert Smith (2,885); 3. Steve Hewitt Sr. (2,220); 4. Eric Brill (1,985); 5. Colby Moore (1,740). Rebel before Enid: 1. Jake Nightingale (1,120); 2. Dan Smith (838); 3. Delbert Smith (820); 4. Gary Kilbourn (772); 5. Tanner Mullens (750).

Expected entrants: Eli Ross, Tanner Mullens, Kip Hughes, Josh Leonard, Dan Smith, Jake Nightingale, Delbert Smith, Braxten Leonard, Chris Wilhite Jr., Colby Moore, Steve Hewitt Sr., Brandon Conkwright, Joe Gorby, Mike Petersilie, Gary Kilbourn, Bryan Glaze, John Herring Jr., Gary Lowe, Chris Hewitt and others.

Next series race: July 12, Creek County Speedway (Sapulpa, OK) $1,000