Jay Noteboom’s Aug. 18 IMCA Modified victory at Park Jefferson Speedway was his career 74th at the South Dakota speedplant. (Photo by Jeff Bylsma)
JEFFERSON, S.D. (Aug. 18) – IMCA Modified driver Jay Noteboom stole the show Saturday at Park Jefferson Speedway.
Noteboom notched career win number 74 at Park Jefferson to pass Late Model Hall of Fame driver Joe Kosiski as the speedway’s all-time feature winner.
With tears in his eyes, Noteboom accepted the checkers and trophy from flagman Nate Peterson.
It was not an easy battle in the Artworks Graphics IMCA Modified special, as Chris Abelson was first to move to the lead on the multi-lane oval. Toward the late stages, Abelson drifted high off the track and gave up the lead.
Noteboom saw his chance and pounced, then held off the challenges of Bob Moore to take the historic win. Abelson was third.
Ryan Voss took the IMCA RaceSaver Sprint Car win and Colin Smith the unofficial 2018 track championship.
By Chance Riley JEFFERSON, S.D. (May 29, 2026) — Ryan Harris continued his winning ways Friday night at Park Jefferson Speedway, racing from the 10th starting position to capture the Sunoco IMCA Stock Car feature. The Homer, Nebraska driver earned his second EQ Cylinder Heads Northern Region victory of the season, with both wins coming at Park Jefferson Speedway. Lowell Roeber finished second while Dayton Mosher completed the podium in third. Jason Ward advanced from 14th to fourth. Wyatt Luke rounded out the top five, while Devin Tripp charged from 21st to sixth. The Karl Kustoms IMCA Modified feature belonged to South Sioux City’s R.J. Merchant. Starting third, Merchant worked his way to the front and held off a late challenge from Duke Erickson to secure his third Razor Chassis North Central Region victory of the season. All three wins have come at Park Jefferson Speedway. Erickson advanced from ninth to finish second while Bob Moore crossed the stripe third. Brian Mahlstedt rallied from eighth to fourth and Ricky Stephan completed the top five. Willy Kirk [Read More]
By Ben Deatherage JEFFERSON, S.D. (May 19, 2026) — One of the most anticipated special events of the summer at Park Jefferson Speedway returns on Sunday, June 14, as the 5th Annual Dave Riley Memorial Race honors the longtime Siouxland racer with a loaded night of Speedway Motors IMCA Weekly Racing action. The event celebrates the legacy of Dave Riley, who spent most of his racing career competing in the IMCA Hobby Stock division before racing an IMCA Northern SportMod during his final season in 2017. Over the past four years, the memorial has grown into one of the marquee events at the high-banked South Dakota oval. “This race has been a huge success the last four years commemorating dad,” said Dave’s son, Chance Riley. “It brings the community together and everyone has a great night of celebration in honor of Dave.” A massive purse awaits competitors across all five IMCA divisions. Sunoco IMCA Hobby Stocks headline the event with a $3,056 winner’s share, while Karl Kustoms IMCA Modifieds race for $2,056 to win. Sunoco IMCA [Read More]
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