WHAT: 100M, 100K and 60K mountain trail running races with 98% single-track trails in single-loop and point-to-point courses.
Silverton Ultra Dirty is a 100M, 100K and 60K Trail running race. The 100K and the 60K start and finish at the Silverton Visitor Center on Saturday, Aug 6. The 100 mile race starts in Durango at the southern terminus of the Colorado Trail and finishes at the Silverton Visitor Center. Race cut-off is 6 a.m. Sunday.
WHEN: Friday, August 6, 2021.
REGISTRATION OPEN: Saturday, December 12, 2020, 6:00 a.m. (MST).
