2025 General Rules

January 24, 2026

2025 General Rules and Procedures

Feature

Thornton Extends IMCA TV Winter Nationals Streak with Third Straight Modified Win

By Ben Deatherage CASA GRANDE, Ariz. (Jan. 23, 2026) — Dylan Thornton of Belle Plaine, Iowa, continued his dominant run at Central Arizona Raceway with a commanding victory in the Karl Kustoms IMCA Modified feature during the third night of the DeVilbiss Racing Chassis IMCA TV Winter Nationals powered by Pitt Stop Motorsports and Dynamic Drivelines. The former Santa Maria, California native earned his fifth career Winter Nationals series victory, his third win of the 2026 event, and his third straight triumph in the DeVilbiss Racing Chassis Western Region. Thornton jumped to the lead immediately from the high side on the opening start and began pulling away as the green-flag run developed. Two-time defending Dakota Classic Modified Tour champion and reigning Winter Nationals champion Ethan Braaksma gave chase from the bottom groove in the Danny Meier and Trent Guest-owned no. 111, while a spirited mid-race battle for fourth between reigning Marshalltown Speedway track champion Kollin Hibdon and Tate Johnson provided the best fight inside the top five. A caution on lap 14 reset the field just [Read More]

Feature

Karl Kustoms Named National Title Sponsor of IMCA Modifieds and Northern SportMods

By Ben Deatherage VINTON, Iowa (Jan. 22, 2026) — IMCA is proud to announce Karl Kustoms as the new national title sponsor of IMCA Modifieds and IMCA Northern SportMods, strengthening a long-standing relationship between the company and IMCA racing. Since their introduction in 1979, IMCA Modifieds have grown into the largest division of race cars in the United States. Known for fierce competition and unmistakable open-wheel design, the class continues to showcase many of the nation’s top racers at dirt tracks before standing-room-only crowds from coast to coast and border to border. Originating in 2005, the IMCA Northern SportMods have seen steady growth as tracks across the country look for a class that allows budget-minded drivers to get on, and stay on, the racetrack. The division has become a staple at a growing number of weekly racing facilities, valued for its affordability and competitive racing. A longtime supporter of IMCA racing, Karl Kustoms has been actively involved in the sport through sponsorship of tracks, events, and racing programs across the Midwest and beyond. That continued commitment [Read More]

Feature

Thornton Wins Modified Thriller on Night Two of IMCA TV Winter Nationals

By Ben Deatherage CASA GRANDE, Ariz. (Jan. 22, 2026) — Dylan Thornton, calling Belle Plaine, Iowa home these days, continued his Winter Nationals dominance with a dramatic victory in the Karl Kustoms IMCA Modified feature during the second night of the DeVilbiss Racing Chassis IMCA TV Winter Nationals powered by Pitt Stop Motorsports and Dynamic Drivelines at Central Arizona Raceway. The former Santa Maria, California, resident scored his fourth career Modified Winter Nationals series win, his second straight of the 2026 event, and his second consecutive victory in the DeVilbiss Racing Chassis Western Region. Thornton, a three-division winner at the Speedway Motors IMCA Super Nationals fueled by Casey’s, took command on the opening start before an early caution regrouped the field. Two-time IMCA Modified National champion Chaz Baca Jr. quickly emerged as his primary challenger, stalking Thornton through multiple restarts and long green-flag stretches. After a caution on lap 10, Thornton briefly brushed the wall on lap 13, allowing Baca to close the gap and set up a fierce side-by-side battle that featured multiple slider exchanges [Read More]