Silverton Ultra Dirty

Silverton Ultra Dirty

The Silverton Ultra Dirty 100-mile, 100K, and 60K will be held on August 4-6, 2023. Registration will open Wednesday, January 4, 2023 at 5:00 a.m. Mountain Time. The 100-mile race will start at 6:00 a.m. on Friday. The 100K Race will start on Saturday at 5:00 a.m. and the 60K race will start on Saturday at 6:00 a.m. All entrants are required to attend the MANDATORY PRE-RACE BRIEFING held the day before your race. SORRY, NO EXCEPTIONS. Silverton Ultra Dirty pages will be added and uploaded soon.
Stay tuned.

Race Overview


What: Point to point course from Durango to Silverton with ~22,500 ft. gain and 60% above 11,000 ft. elevation.
When: August 5-6, 2022
Where: Durango, Junction Creek - Colo Trail TH
Start: Friday @ 6:00 a.m.
Cut-off: Saturday Aug. 6 @ 10:00 p.m. (40 hour)


What: Single-loop course with ~12,630 ft of gain and much of the course above 11,000 ft. elevation.
When: August 6-7, 2022
Where: Kendall Mountain Rec. area, Silverton
Start: Sat. @ 5:00 a.m.
Cut-off: Sunday @ 6:00 a.m. (25 hour)


What: Single-loop course with ~ 7,447 ft of gain and 60% above 11,000 ft. elevation.
When: August 6, 2022
Where: Kendall Mountain Rec area, Silverton
Start: Sat. @ 6:00 a.m
Cut-off: Must be through Aid 1 by 10:00 a.m., Aid 2 by 2:40 p.m. then you follow the 100K cut-off times.

Course Info

Check out the photo tour, course map and more…

Runner Info

Race week information that you need to know…


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