What won the race: Dominating all 25 laps, polesitter Bobby Pierce of Oakwood, Ill., captured the first Twisted Twin 25 Friday at La Salle Speedway for a $5,000 MARS Championship Series victory. Pierce won the first of the night's two preliminary features by 3.283 seconds over runner-up Shannon Babb with the same competitors battling again moments after the race with a 10-car inversion.

Key notes: Pierce also won at La Salle on May 6 in FloRacing Night in America presented by Kubota competition. ... The lone caution appeared on the fifth lap for a tangle involving Brian Shirley, Brennon Willard and Bob Gardner. ... Dillon McCowan of Urbana, Mo., piloted the Adam family-owned No. 75 Longhorn that's been previously driven this season by Daniel Adam and Mike McKinney (both who were in modified competition at La Salle). ... Following the 25-lapper, the second 25-lap twin will start with an inversion of all lead-lap finishers in the first race (up to 10 cars). … The top-four point earners from Friday’s prelims earn pole starting positions for Saturday’s heats (qualifying will determine the remainder of the heat race starting lineup). … The Illinois Valley Showdown concludes with Saturday’s 75-lap, $25,000-to-win main event.

On the move: Ryan Unzicker of El Paso, Ill., started 12th and finished fifth.

Winner's sponsors: Pierce’s Longhorn Chassis is powered by a Vic Hill Racing Engine and carries sponsorship from Low Voltage Solutions, Rio Grande Waste Services, Mesilla Valley Transportation, Oakwood Tire Center, Churchill Transport, Collins Brothers Towing, K1, Carnaghi Towing & Repair, Toyota of Danville, Floyd’s Waste Systems, PureMax Racing Oil, A Plus Vacuum, Leka Tree Service, Bert Transmissions by Budda, Ted Brown’s Quality Paint & Body Shop, VP Race Fuels, Swift Springs, Bilstein Shocks, Dirt Car Lift and Performance Bodies.

Points chase: After La Salle Friday: 1. Jason Feger (572); 2. Ryan Unzicker (551); 3. Shannon Babb (526); 4. Tony Jackson Jr. (522); 5. McKay Wenger (467).

Current weather: Clear, 73°F

Car count: 31

Fast qualifier: Bobby Pierce

Time: 12.874 seconds

Heat race winners: Bobby Pierce, Shannon Babb, Chris Simpson

Consolation race winners: Frank Heckenast Jr.

Provisional starters: Justin Duty, Jake Little

Next series race: May 31, La Salle Speedway (La Salle, IL) $25,000