
$5,000-To-Win Stock Car Showcase Headlines RTI Nationals at Park Jefferson
By Ben Deatherage JEFFERSON, S.D. (Jun. 7, 2025) — A new era begins at Park Jefferson International Speedway as the RTI Nationals shifts its spotlight to the Sunoco IMCA Stock Cars, which headline this year’s program with a lucrative $5,000-to-win and $250-to-start main event on Sunday, June 15. “The RTI Nationals has historically been a SportMod show, and they’re still a big part of the program going for good money,” said Park Jefferson promoter Wayne Becker. “But this year we wanted to try something different and give the Stock Cars a major spotlight. We’ve never had a big Stock Car show since I’ve owned the place, and we want to make it great.” Other divisions also enjoy strong payouts, with Friesen Performance IMCA Modifieds, Sunoco IMCA Late Models, and SportMods each racing for $1,000 to win. The Mach-1 IMCA Sport Compacts will also be in action, competing for a $500 winner’s share. All divisions except Stock Cars will use the draw/redraw format. The Stock Car class will feature a single set of heat races with lineups [Read More]