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September 22, 2025 2 mins

In the world of American Thoroughbred racing, few names carry as much weight as Steve Asmussen. Born into a horse-racing dynasty in Gettysburg, South Dakota, his path seemed destined for the racetrack. With a trainer for a father and a mother also deeply involved with horses, the sport is in his blood. His brother, Cash Asmussen, found international fame as a jockey, and Steve himself had a brief career in the saddle before his height and weight guided him toward training, the field where he would leave an indelible mark.

Since taking out his trainer’s license in 1986, Asmussen's ascent has been nothing short of historic. He is now the winningest trainer in the history of North American racing, a monumental achievement he secured in 2021 before surpassing the unprecedented 10,000-win milestone in 2023. His consistent excellence was recognized with back-to-back Eclipse Awards as the nation's Outstanding Trainer in 2008 and 2009, and his career was immortalized with his induction into the National Museum of Racing and Hall of Fame in 2016.

The foundation of Asmussen's legendary career is built upon the champions he has conditioned. He guided Curlin to Horse of the Year honors in 2007 and 2008, with victories in the Preakness Stakes, Breeders' Cup Classic, and the Dubai World Cup. He was also the architect behind the spectacular career of Rachel Alexandra, the 2009 Horse of the Year who famously defeated the boys in the Preakness Stakes. More recently, he trained Gun Runner to a dominant 2017 Horse of the Year campaign that included a Breeders' Cup Classic triumph, and masterfully handled the career of champion mare Midnight Bisou.

Despite his unparalleled success, one prize has remained tantalizingly out of reach: the Kentucky Derby. He has come agonizingly close with second-place finishers like Nehro in 2011 and Epicenter in 2022. However, Asmussen has conquered the other two jewels of the Triple Crown, winning the Preakness Stakes twice and claiming the Belmont Stakes in 2016 with Creator. Known for his meticulous attention to detail and his ability to manage a massive, multi-state racing operation, Asmussen's influence on the sport is profound, continuing to set a standard for trainers across the country.

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