Trail Running calendar near Naturita 2025-2026

The Sneffels Round, organized by Sky Pilots Endurance Navigators, is a free mountaineering endurance challenge based in Ouray, Colorado. Participants race the 100-hour clock by building their own route through roughly 39 peaks, including Mt. Sneffels, with several elective options that let finishers..

52nd Annual Imogene Pass Run takes place in Telluride, Colorado. The challenging mountain race runs from Telluride over Imogene Pass to a finish in Telluride, with aid stations along the way. The course includes a summit at mile 10 and a Tunnel Station at mile 15.5, and organizers describe it as an..

Blisters & Brews is a 5k fundraiser race held in Telluride, designed for attendees of the Telluride Blues & Brews Festival to enjoy a morning of exercise before the festivities begin. The event supports the Telluride Adaptive Sports Program and features a scenic route that includes views of Bridal V..

The Ouray 50 Mile Endurance Run, held in Ouray, Colorado, is a challenging mountain ultramarathon featuring approximately 23,582 feet of elevation gain. Known for its technical and demanding trails, the course is set nearly two miles above sea level amidst stunning mountain scenery. The race is desi..

The Mountain Marmot Trail Run, presented by Durango Running Company, is a challenging 12-mile trail race held at Purgatory Resort in Durango, Colorado. The course features a steady climb of about 1,800 feet from the base to the top of Lift 8, followed by a downhill return, showcasing stunning single..

Ouray Mountain Trail Run takes place in Ouray, Colorado, on September 20, 2025, and covers 13 miles of mountainous terrain, starting and finishing at Fellin Park. A fundraiser for Ouray School, it’s hosted by PATT and the HS Outdoor Education Class to support student trips to Moab, Denver, Washingto..

Deep Creek Trail Half Marathon is a roughly 13-mile trail race in Telluride, Colorado. The course starts at the beginning of Last Dollar Road near the Telluride Airport, runs to the Deep Creek Corral, then climbs into Aspen-filled woods and follows the Deep Creek Trail back to Telluride. The mostly..

Arches Marathon and Half takes place in Moab, Utah, offering trail races from 15K to 50K. This fall event highlights Moab’s dramatic red cliffs and canyon vistas, with runners starting near Behind the Rocks Wilderness Study Area as the first climb toward aid stations reveals the La Sal Mountains. Th..

Hanging Flume 50k is an ultrarunning trail race in Uravan, Colorado, starting and finishing at the historic Uravan Ballpark. The 50-kilometer course forms a large loop that mostly follows old mining two-track and remote desert single-track, threading canyons, slick-rock, and expansive southwestern v..

Set in Colorado’s North Fork Valley, the West Elk Challenge is a 26.2‑mile point‑to‑point trail marathon through fall colors. The course starts at Crawford Reservoir State Park, travels past Needle Rock, then ascends into Gunnison National Forest on Mt. Lamborn’s slopes, topping Inter-Ocean Pass at..

The Moab 240 Endurance Run is a challenging 240-mile ultramarathon held in Moab, Utah, traversing diverse and rugged terrain including desert canyons, two mountain ranges, and iconic red rock mesas with views of Canyonlands and Arches National Parks. The course features a total elevation gain and lo..

The Chicken Creek Challenge is a cross-country running event held in Mancos, Colorado, featuring races for middle and high school athletes. Middle school participants compete in 3.5-kilometer races, while high school runners tackle 5-kilometer courses. The event includes multiple categories such as..

Canyonlands Ultra is a Moab, Utah trail ultramarathon as part of Mad Moose Events' Run Moab Series. It offers six distances: 100K, 50 Mile, 50K, Marathon, Half Marathon, and 15K. Runners traverse Moab’s trails with sandy washes, technical double-track, and sweeping views of the La Sals, towering san..

Kessel Run Ultra takes place in Fruita, Colorado, just a short drive from the Front Range. The event offers five distance options: 50 Miler, 40 Miler, 50k, 20 Miler, and 10 Miler. It’s promoted as a Racecation Adventure and is renowned for world-class single-track in Fruita, with trails that reward..

Moab Trail Marathon is a multi-race weekend in Kane Creek Canyon near Moab, Utah. It features a Trail Marathon, Saturday Half Marathon, Sunday Half Marathon, 10K Trail Run, Kid’s K, and the Collegiate Half Marathon National Championship. The Saturday Half is a USATF National Championship, with separ..

Dead Horse Ultra is a popular trail running event held in Moab, Utah every November. The race offers four distance options: 50 Miler, 50K, 30K, and 15K. Runners traverse the Magnificent Seven trail system, featuring technical slickrock, rugged climbs, and sweeping canyon vistas.The course uses Gemin..

Arches Ultra takes place in Moab, Utah, offering four distances: 50 Mile, 50K, Half Marathon, and 9K. The course follows a lower-elevation route along the border of Arches National Park, using Bar M, Klonzo, and Klondike Trail Systems, with views of Moab cliffs, Arches National Park, and the snow-ca..

The Moab Red Hot Ultra is a trail running event held northwest of Moab, Utah, near Arches National Park. It offers multiple race distances including a 50-mile, 55K, 33K, and 15K, catering to various levels of trail runners. The course features a challenging start with a climb up a jeep road, providi..

Moab Run the Rocks is a three-day trail running stage race set in Moab, Utah’s renowned singletrack. Runners can choose between two distances: The Full Pint, a 53.6-mile (85.6 km) course with 4,480 ft of vertical gain, and The Half Pint, 33.1 miles (53.1 km) with 2,670 ft of vertical gain. The route..

The Canyonlands Half Marathon, held annually in Moab, Utah, is a celebrated road race known for its stunning scenery. Established in 1976 with just 22 finishers, it now attracts thousands of runners each March. The course offers breathtaking views of red rock formations and runs alongside the Colora..