Trans-Pecos Ultra features a challenging 165 mile course. Each stage offers spectacular views by day and unparalleled starlit skies at night. Be prepared for continuous hills and plenty of rocky single-track. This portion of Texas is not flat – the average elevation is about 4200ft. You can run, walk, or even crawl, just don’t give up. Trans-Pecos Ultra marathon is sanctioned by USA Track & Field which evidences a commitment to follow national and international rules and regulations of endurance sports and to provide a safe environment for the participants and spectators.