Route 66 Ultrarun
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Route 66 UltraRun - November 14, 2026
The Route 66 UltraRun is scheduled for November 14, 2026 along Historic Route 66 in Arizona. It is the fifth annual running of the event and is designated as a Certified Route 66 Centennial Event marking the 100th anniversary of the highway.
Distances
- 140 miles, Seligman to Topock66
- 100 miles, Peach Springs to Topock66
The 140 mile race has a 60 hour time limit and the 100 mile CenturyRun has a 48 hour time limit. There are no intermediate cutoffs for either distance.
Crewed Runners must cover all miles on their own feet with support from crew or pacers. Crew 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 teams may enter both distances. Team sizes are three to six people for the 140 mile race and three, four, or five people for the CenturyRun. There are no set leg lengths or fixed transition points; teams decide how to divide the course.
The course passes through valleys, pinon pine forests, rugged mountains, desert landscapes, and marshes, and the event includes centennial themed finish items such as a colored enamel finisher medal and a unique finisher shirt. Registration closes October 1 at 11:59PM MT. Visit the organization's website for the most recent information.