WAYNE, Illinois, Aug. 20, 2025–Christian Simonson on Indian Rock dominated the U.S. national championship Grand Prix Wednesday to put the rider on a path to become the youngest ever to capture the title since its creation 34 years ago.

Christian, who will be 23 years old in six days, and the 12-year-old KWPN stallion were awarded 73.783% from the panel of five American judges. Christian is based in Wellington where he is coached by three-time Olympian Adrienne Lyle.