Trail Running calendar near Silverton 2025-2026

The Sky Pilots Ouray Backyard Ultra is a unique running event held in Ouray, Colorado, featuring a "last person standing" format. Participants complete a 4.167-mile course, and if they finish within an hour, they continue to run each hour until only one runner remains. The course is designed to be a..

The Vallecito Lake Heavy Half is a scenic half marathon set around the picturesque Vallecito Reservoir in Colorado's San Juan Mountains. Scheduled for May 17, 2025, this unique race offers participants the chance to run on private property typically closed to the public, including a segment across V..

The San Juan Solstice 50 Mile Run is an annual ultra-marathon held in Lake City, Colorado, typically around the Summer Solstice. Established in 1995, the event has evolved into a community benefit for local EMTs. The race features a challenging course that includes high mountain terrain and varying..

The John Cappis is a challenging mountaineering event held in Silverton, CO, honoring John Cappis, a co-founder of the Hardrock 100. Participants tackle an unmarked, off-trail course of approximately 50K with a significant elevation gain of 19,000 feet, navigating rugged terrain and varying altitude..

The Hardrock 100 is a challenging 100-mile ultramarathon held in the San Juan Mountains of southwestern Colorado. Participants face a total elevation change of 66,000 feet, with an average elevation of over 11,000 feet, making it one of the most demanding endurance runs in the world. The course feat..

The Ouray 100 Mile Endurance Run is a challenging ultramarathon set in the breathtaking San Juan Mountain range of Colorado. Participants face approximately 41,862 feet of elevation gain over the course of the race, making it one of the toughest endurance events. Runners must complete eight hours of..

The Silverton Alpine Marathons, taking place in Silverton, Colorado, offers an exhilarating trail running experience through the stunning San Juan Mountains. Participants can choose from three distances: a 50K, a marathon (approximately 26.7 miles), and an 8-mile run. The courses traverse historic m..

The Kendall Mountain Run, taking place in Silverton, Colorado, features a challenging 12-mile and an 11K race that ascends to the summit of Kendall Mountain, reaching an elevation of 13,066 feet. Participants will experience a thrilling climb from 9,318 feet, culminating in a vertical scramble to th..

The Creede 100 is an exhilarating 100-mile ultramarathon set in the historic mining town of Creede, Colorado. Scheduled for July 26, 2025, this challenging race offers participants breathtaking views of the San Juan Mountains, with elevations exceeding 12,000 feet. The course features pristine singl..

The Box Canyon Trail Races, set in the stunning high country of Telluride, Colorado, features two challenging courses: a 30K and a 10-mile race. The 30K course offers a scenic loop with approximately 5,800 feet of vertical gain, taking runners through alpine meadows and past iconic landmarks like Br..

The High Five 100 is an ultra-running challenge held in Lake City, CO, designed for elite runners seeking a rigorous test of endurance. Participants must navigate a course that includes 22 designated locations, comprising 6 checkpoints for crew support and 16 proof points to verify their journey. Th..

The San Juan Softie 100 is a challenging 100-mile ultra marathon set in the stunning San Juan mountains of southwest Colorado. Participants will navigate an average elevation of nearly 10,000 feet, with a total ascent of over 20,000 feet, making it a true test of endurance and skill. The event empha..

The Telluride Mountain Run is a challenging and technical race set in the stunning San Juan Mountains near Telluride, Colorado. Participants can choose from three demanding routes: 40 miles, 24 miles, and 13 miles, all featuring old mining roads, singletrack trails, and alpine tundra. Runners will n..

The Rio Grande 100 is an exhilarating ultramarathon set in South Fork, Colorado, featuring a challenging course that traverses the stunning La Garita mountains. Runners will experience diverse terrains, from arid forests to alpine tundra, with elevations exceeding 12,000 feet. The event emphasizes a..

The Creede Mountain Run, established in 1987, is a celebrated annual event held in Creede, Colorado, marking the transition from summer to fall. Participants can choose from four race distances: 2 miles, 12 miles, 22 miles, and 50K, all set against the stunning backdrop of the San Juan Mountains. Th..

The Ouray 50 Mile Endurance Run is a challenging ultramarathon set in the stunning mountain scenery of Ouray, Colorado. With an elevation gain of 23,582 feet, this race is designed to be more difficult than many 100-mile events, featuring highly technical trails and an average elevation nearly two m..

The Deep Creek Trail Half Marathon is a scenic trail running event taking place in Telluride, Colorado. The race begins at Last Dollar Road near the Telluride Airport and features a challenging 13-mile course that winds through beautiful Aspen-filled woods along the Deep Creek Trail. Participants wi..

The Hanging Flume 50K is an ultrarunning trail race set in the scenic landscape of Southwestern Colorado, starting and finishing at the historic Uravan Ballpark. The course features a large loop that primarily follows abandoned mining two-track and desert single-track trails, offering participants s..

The West Elk Challenge is a scenic trail marathon held in the North Fork Valley of Colorado, featuring a challenging 26.2-mile point-to-point course. Participants start at Crawford Reservoir State Park and ascend through the stunning fall foliage of the Gunnison National Forest, culminating at the s..

The Sage Burner Trail Race takes place in the scenic Hartman Rocks Recreation Area in Gunnison, Colorado, surrounded by stunning views of the Maroon Bells and San Juan Mountains. This challenging event features various distances, including a 50K, 28K, and 15K, offering a mix of technical slickrock a..