Trail Running calendar near Silverton 2026-2027

Join the inaugural Earth Day 5K on the Animas River Trail in Durango. This fun run/walk supports Compañeros, an organization serving immigrants. It's a Zero Waste event encouraging participants to bring their own water.

A roughly 14 mile loop around Vallecito Reservoir in Bayfield, Colorado, combining paved road, dirt road and singletrack with about 1,000 ft of climbing. The event features four aid stations, a cupless policy and a post-race meal with live..

Course Information The San Juan Solstice 50 Mile Benefit Run takes place in the mountains near Lake City, Colorado. The course is affected by seasonal conditions. In some years, the route has been altered or shortened due to snowfields on t..

The John Cappis is a demanding 50k mountaineering trek through the peaks around Silverton, Colorado. It features extensive off-trail travel and major elevation gain. Participation requires club membership and proven experience in rugged mou..

Event Overview The Hardrock Hundred Mile Endurance Run, also known as the Hardrock 100, is a 100-mile ultramarathon. The course involves 66,394 feet of total elevation change, with 33,197 feet of climbing and 33,197 feet of descent. The ave..

Tackle a formidable 100-mile route with over 41,000 feet of climbing in Colorado's San Juan Mountains. This low-frills event requires volunteer service and awards cash prizes subject to drug testing. Finishers earn a distinctive belt buckle..

Trail runs in Colorado's San Juan Mountains feature a 50K, marathon, and 8-mile course on historic jeep roads. The routes pass ghost towns and reach the high point of California Pass. The event is cupless with no crew access at aid stations..

The Kendall Mountain Run climbs from downtown Silverton to a 13,066 foot summit in the San Juans. Choose between the 12 Miler or 11K distance on this cupless, scenic course. A combo discount is available for those tackling a Silverton Alpin..

An ultra running event in Creede offering 50 mile and 100 mile courses across the San Isabel and Rio Grande National Forests over two days, organized by Tempest Adventures under a USDA Forest Service permit.

The Box Canyon Trail Races showcase the high alpine scenery of Telluride, Colorado. Runners can choose between a rugged 30K loop or a stunning 10 mile course, both featuring significant elevation gain. The event finishes in the historic tow..

A 15 mile mountain trail race in Hesperus, Colorado, gaining about 3,100 feet and topping out near 12,200 feet at Kennebec Pass. This non profit event benefits La Plata County Search and Rescue and is limited to 150 runners.

The High Five 100 is a rugged, self-navigated 100-mile challenge near Lake City, CO. Runners must reach 24 checkpoints, summit 11 high peaks, and finish within 48 hours. There is no fee, no course markings, and no aid stations.

A 100-mile mountain ultramarathon in Colorado's San Juan Range. The high-elevation course averages 10,000 feet with over 20,000 feet of climbing. It features a 38-hour cutoff and packet pickup in Durango.

The Telluride Mountain Run is a technical mountain race in Colorado's San Juans, with routes reaching over 13,000 feet. Runners face rocky, exposed terrain on old mining roads and alpine tundra. This demanding event is not suited for beginn..

The Creede Mountain Run in Colorado features four scenic distances, from a 2-mile fun run to a demanding 50K. The longer courses traverse the historic mining district and reach high points along the Continental Divide. Each route offers a d..

A 13 mile mountain trail run in Ouray, Colorado that funds the Ouray School; the course starts and ends at Fellin Park, features limited cup water stations, packet pickup before race day, and awards for top finishers.

Experience a spectacular 13-mile trail run through the golden Aspen woods near Telluride. This high-altitude course starts near the airport and finishes in town, featuring mostly singletrack. Prepare for a semi-technical mountain adventure..

The Sage Burner Trail Race winds through the high desert landscape of Hartman Rocks near Gunnison. Runners face a mix of slickrock, singletrack, and punchy climbs. After the run, a community chili meal celebrates the effort, with support go..

The West Elk Challenge is a point-to-point trail marathon and 30K through Colorado's North Fork Valley at peak fall colors. Runners climb to Inter-Ocean Pass on a course of gravel roads and singletrack. All proceeds fund summer camp scholar..