Three Phase Event, Horse Competion Based on Equine Versatility The Three Phase Event for gaited horses is an equine versatility event for seasoned trail and show horses that do not jump, but demonstrate their versatility in dressage, a set stadium obstacle course and a 3 to 5 mile cross country course which demands stamina and willingness to meet field challenges. Threephaseevent.org~Site InfoWhoisTrace RouteRBL Check