Iowa’s racing world and the wider International Motor Contest Association (IMCA) family are paying tribute to Greg Kastli, a longtime supporter, champion, and respected competitor who died Wednesday, September 10, at the age of 72.
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For decades, Kastli’s name was synonymous with passion, grit, and sportsmanship on dirt tracks across the Midwest. From the roar of the engines to the camaraderie in the pits, he left an enduring mark on the sport — one built as much on friendships as on victories.
A Storied Career in IMCA Racing
Kastli carved out one of the most consistent and decorated careers in IMCA Late Model racing. He notched 40 sanctioned Late Model feature wins, placing him among the most successful drivers in the division’s history.
His breakthrough moment came in 1989, when he captured the IMCA Super Nationals Late Model Championship, securing his place among the sport’s elite. Through the 1990s and early 2000s, Kastli’s name became a fixture at the top of results sheets, with championships at some of Iowa’s most historic tracks.
He earned the Fayette County Raceway title in 1994 and dominated Independence Motor Speedway, claiming four Late Model crowns there (1994, 2001, 2002, 2003). By the end of the 2025 season, he sat tied for third on Independence’s all-time Late Model wins list — proof of both his talent and staying power.
Versatility on the Track
While Late Models were his trademark, Kastli also excelled in IMCA Modified competition, tallying 18 feature wins and the 1986 Modified track titles at Independence Motor Speedway and the Dubuque Fairgrounds Speedway. His ability to succeed across divisions underscored his adaptability and skill behind the wheel.
Recognition and Hall of Fame Honors
Kastli’s influence went far beyond statistics. Earlier this summer, Independence Motor Speedway made a rare exception to induct him into its Hall of Fame before the usual five-year waiting period for retired drivers. The honor — accompanied by a standing ovation — reflected the deep admiration he earned over decades of dedication to the sport.
More Than a Driver
To fellow racers, officials, and fans, Greg Kastli was as valued for his character as for his trophies. Known for his approachable manner, humility, and willingness to lend advice, he was a mentor to younger drivers and a steadfast friend to many.
“He always made time for people,” one longtime competitor said. “Greg loved racing, but he loved the people in it just as much.”
A Lasting Legacy
With Kastli’s passing, the IMCA community has lost not only a decorated driver but a cornerstone of its culture. His achievements on the track and his generosity off it will continue to inspire generations to come.
As arrangements are finalized, tributes continue to pour in from across the Midwest, honoring a man who embodied the best of grassroots racing.
Greg Kastli will be remembered as more than a champion — he was a racer’s racer, a mentor, and a friend whose influence will live on long after the checkered flag.