Route 66 Ultrarun
Seligman, United States • 14 Nov 2026
Route 66 UltraRun : Arizona, November 14, 2026
The event is the 5th Annual Route 66 UltraRun, held along Historic Route 66 in Arizona as a Certified Route 66 Centennial Event. The 2026 program includes two multi-day distance options that finish at Topock66 and travel through a variety of terrain including expansive valleys, piñon pine forests, rugged mountains, desert landscapes, marshes, and sites of Americana.
Distances
- 140-mile race from Seligman to Topock66
- 100-mile CenturyRun from Peach Springs to Topock66
Runners have time limits but no intermediate cutoffs: 60 hours for the 140-mile race and 48 hours for the CenturyRun. Crewed Runners must cover all miles on their own feet with crew and pacers; crew size limits are at least two and no more than four for the 140-mile race, and a maximum of two for the CenturyRun. With prior approval, two Crewed Runners may share a crew if they remain together for the entire race.
Relay Team entries are allowed: teams of three to six for the 140-mile race, and teams of three, four, or five for the CenturyRun. There are no prescribed leg lengths or fixed transition points; teams choose who runs and when. Crewed Runners, Relay Team members, and Journey Runners who finish receive a colored enamel finisher medal and a unique finisher shirt featuring original centennial artwork.
Registration closes on Thu, Oct 1 at 11:59 PM MT. Visit the organization's website for the most recent information.