Mt. Sneffels Marathon/Half
⚠️ 2027 edition: provisional information
The date is estimated from the 2026 edition (August 15, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.
Available distances
About
The Mt. Sneffels Marathon/Half takes place in the San Juan Mountains of Ouray County, based in Ridgway, on August 15, 2027. The event is known for its full marathon, half marathon and kids' fun run; the races listed for this edition are the half marathon (13.1 miles / 21.1 km) at 7:00 a.m. and a 10K (6.2 miles) at 7:30 a.m.
The scenic courses run mostly on dirt roads. All finishers of the shorter races receive a finisher medal, and T-shirt sizes are guaranteed for early registrants. The event is cupless, so participants must carry their own water container. Registration is capped at 500 participants.
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Races nearby
Other upcoming races around Ridgway.
Log Hill Hustle
Aug 22, 2027 · Ridgway, CO · 0 mi away
6.2 mi · 3.1 mi
Ourayce 10K Fun Run
Jul 4, 2027 · Ouray, CO · 10 mi away
6.2 mi
Ouray 100 Mile Endurance Run
Jul 16, 2027 · Ouray, CO · 10 mi away
100 mi · 50 mi
Ouray Mountain Trail Run
Sep 18, 2027 · Ouray, CO · 10 mi away
13 mi
Telluride Foundation Rundola: Run for Good
Jul 4, 2027 · Telluride, CO · 15 mi away
0.8 mi
Imogene Pass Run
Sep 11, 2027 · Telluride, CO · 15 mi away
17.1 mi