Key notes: The Ultimate Southeast Series invades Sumter Speedway for Saturday’s $4,000-to-win program. … Ethan Wilson of Fayetteville, N.C., won last May’s $5,000 Ultimate Southeast Series visit to Sumter. … Taylor Puckett of Greer, S.C., topped April 11’s Carolina Clash Super Late Model Series stop. … Ben Watkins of Rock Hill, S.C., won last fall’s Slick Gibbons Memorial on the Carolina Clash circuit, worth $5,007. … Banjo Duke of Manning, S.C., earned his first career Carolina Clash (2024) and Ultimate Southeast Series (2021) victories at Sumter. … Points leader Jason Riggs of College Grove, Tenn., seeks his first career Ultimate Southeast Series victory and first major event triumph. … Street stocks, thunder bombers, super troopers and two 4-cylinder divisions are on the undercard. … Gates open at 3 p.m. with hot laps at 5.

Who to watch: Jason Riggs of College Grove, Tenn., eyes his first career Ultimate Southeast Series victory and first major event triumph.

Points chase: Before Sumter: 1. Jason Riggs (175); 2. David Yandle (138); 3. Jadon Frame (132); 4. Dillon Tidmore (71); 5. Rusty Schlenk (69).

Expected entrants: Jason Riggs, Ben Watkins, Adam Yarbrough, Ross Bailes, Ethan Wilson, Christian Thomas, Steve Banal, Banjo Duke, Taylor Puckett, Kale Green, David Yandle and others.

Next series race: June 26, Oak Level Raceway (Bassett, VA) $4,000