Navajo Mountain, UT | Saturday, October 31, 2026Registration Open
NAATSISAAN TRAIL RACES Navajo Mountain, Utah Saturday October 31, 2026 START TIMES: Ultra @ 7:00 a.m. ||10-miler @ 10:00 a.m. || 5K @ 3:00 p.m. Yá'át'ééh runners! Welcome to the Naatsisaan Trail Races The Naatsisaan Trail Races at Navajo Mountain offer unique courses in one of the most beautiful spots on Dine’ Bikeyah. REGISTRATION – Online registration for the Naatsisaan 10-Miler and Naatsisaan Ultra is now open and will remain open through noon on Friday of race week. Registration for the 5K will remain open online through Friday noon and again on-site Saturday. More details and registration can be found on the RunSignUp registration page. COURSE & CHECKPOINTS – [The courses are subject to change, at the discretion of chapter leaders and/or race officials.] The 10-miler and 50K from Navajo Mountain High School traverse challenging and stunning landscapes, including dirt roads, old doubletrack and trails. The route arcs around Lost Mesa, and includes dramatic views from the northeast side of the mountain. Runners will climb above Navajo Begay, along the 2006 fire site and in to Cha (beaver) Canyon, where they will make the turn and head for the high school. Here is a digital trail guide map of the race. (.gpx) The non-competitive 5K trail race is a scenic and tough run on local dirt roads; there are overall and age-group awards for this event, and the course will include support and race swag. The 5K will also begin and end at Navajo Mountain H.S., taking runners on a scenic and challenging course. Aid stations will include Honey Stinger energy gels, salty, sweet and high carb foods, medical support, communication and fluids. The course is marked with pin flags, cairns and some signage; however, runners should study the course map and try to become familiar with the route. The course is subject to revision, at the discretion of race organizers and/or local leaders. Alternative routes may be utilized in case of bad weather. RUNNER RESPONSIBIL