Greyson Kilgore is an American hybrid athlete and coach from Boise, Idaho. He competed in the Spartan Pro Series before moving into DEKA and HYROX, and his coaching work spans fitness racers and outdoor endurance athletes. At the 2024 DEKA World Championships, he finished second in both DEKA FIT and DEKA MILE.
In HYROX, Kilgore finished fourth in Elite 15 Men at the 2026 Americas Regional Championships in Washington, DC, recording 55:06. His racing career brings together obstacle-course experience, endurance training and the strength demands of indoor fitness competition.
