The 100-mile course begins at Lucky 7 Ranch and follows the same route as the 50-mile course toward Proctor Canyon, climbing gradually on doubletrack through open terrain before reaching the plateau. From there, runners transition onto the Grandview Trail, winding along scenic singletrack before turning back toward the rim and climbing into a striking hoodoo amphitheater with rolling elevation changes. After reaching the top of the plateau, the course heads inland on smooth doubletrack and then follows a long, scenic stretch alongside the Sevier River across the heart of the plateau. From Coyote Hollow, runners join the iconic Thunder Mountain Trail, traversing a series of short, punchy ridges before descending steeply through one of the most photographed hoodoo sections of the course. At a designated point along the 50-mile course, 100-mile runners split off to continue the second half of their course, which includes an out-and-back through forested areas with canyon and hoodoo views. The final miles leave the forest and transition back onto ranch lands, crossing open fields and roads with a steady descent to the finish at Lucky 7 Ranch.
CONFLICT: the course description prose states the 100-mile course "includes approximately 16,000 feet of climbing," while the same page's Key Stats box for the 100 Mile gives "Total Estimated Elevation Gain | +14,002 feet" -- a difference of about 2,000 ft. elevation_gain_ft above uses the Key Stats figure (the more structured, headline number); the ~16,000 ft prose figure is recorded here rather than silently discarded.
A high-elevation trail race (100 Mile, 50 Mile, 60K, 50K, 30K and Half Marathon) that runs around the northern half and western edge of the Paunsaugunt Plateau near Bryce Canyon National Park, starting and finishing at Lucky 7 Ranch in Hatch, Utah. Most of the course is between 7,000 and 9,000 feet.
First run in 2013 as part of the original Ultra Adventures series. For the 2026 edition the race is organized by Aravaipa Running, which states it is "reuniting the Tushars with the classic Zion Ultras, Bryce Canyon Ultras, and Antelope Canyon ultras in 2026 and beyond" as part of its Ultra Adventures / Grand Circle series -- succeeding previous organizer Vacation Races, whose branding appears on race videos through the 2024 edition. The race date also moved: third-party video from the 2024 edition places that running on "Sunday, May 19, 2024," while the 2026 edition under Aravaipa runs September 19-20, 2026.
| Mile | Station | Cutoff | Crew | Bag | Pacer | Med | To next |
|---|---|---|---|---|---|---|---|
| 0.00 | Lucky 7 Ranch | ? | ● | ● | ? | ? | 5.00 |
| 5.00 | Proctor Canyon | ? | · | · | · | ? | 5.80 |
| 10.80 | Blue Fly | ? | · | · | · | ? | 6.60 |
| 17.40 | East Fork | ? | · | ● | · | ? | 7.90 |
| 25.30 | Coyote Hollow | ? | · | · | · | ? | 7.70 |
| 33.00 | Thunder Aid 1 | ? | ● | ● | ● | ? | 5.90 |
| 38.90 | Thunder Aid 2 | ? | ● | ● | ● | ? | 5.30 |
| 44.20 | Hillsdale Aid | ? | · | · | · | ? | 55.80 |
| 100.00 | Lucky 7 Ranch / Finish | ? | ● | ● | ? | ? | ? |
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