Trail Running calendar near New Castle 2025-2026

The Summit 200 is a challenging ultramarathon scheduled for July 28, 2025, in Summit County, Colorado. It features a 200-mile loop through scenic mountain terrain, with over 40,000 feet of elevation gain and sections exceeding 12,700 feet altitude. The race emphasizes a small, intimate field limited..

The Berry Picker Trail Run will take place in Vail on Saturday 2 August 2025.

The Emerald Mountain Epic is a two-day endurance trail race held in Steamboat Springs, featuring mountain biking and trail running events. Participants navigate challenging courses with significant elevation gains, predominantly on single-track dirt trails. The event emphasizes community, camaraderi..

The Run the Rockies Trail Race is a scenic event featuring a 5k, 10k, and half marathon through the trails of Frisco Peninsula, offering stunning views of Dillon Reservoir and the Ten Mile Range. The courses include single track and dirt roads, starting and finishing at the Frisco Nordic Center. Par..

Pyro's Push It Up Trail Run is a scenic mountain race held in New Castle, Colorado, featuring multiple distances: 3.5 km, 7.7 km, and 13 km. Participants run through beautiful trails crossing streams and Aspen groves in the Flat Tops area. The event caters to all levels, offering family-friendly and..

The Leadville Trail 100 Mile Run, known as the "Race Across the Sky," is a prestigious ultramarathon held annually in Leadville, Colorado. Established in 1983, this grueling race challenges participants with a 100-mile out-and-back course that features extreme elevation changes, including a peak at..

The Arrowhead Half Marathon and 5K is a scenic running event held in Arrowhead, Colorado, featuring a challenging half marathon course with approximately 3,000 feet of elevation gain over 13 miles. Participants traverse beautiful trails across Arrowhead, Bachelor Gulch, and Beaver Creek Ski Resorts...

The Continental Divide Trail Run, scheduled for August 23, 2025, in Steamboat Springs, Colorado, features three trail race distances: 5 Mile, 16 Mile, and 50K. Participants will experience stunning views while navigating through aspen and pine forests, with significant elevation gains—over 3,500 fee..

The Grand Traverse Mountain Run is a challenging 40-mile point-to-point ultra marathon from Crested Butte to Aspen, Colorado, following the route of the historic Grand Traverse Backcountry Ski race. Participants traverse the Elk Mountains, gaining over 6,000 feet of elevation, and experience stunnin..

The 10k @ 10,000 Feet is a renowned trail running event held in Steamboat Springs, Colorado, celebrated for its stunning mountain scenery. This challenging race features a 10k course, which is actually 6.8 miles, and a 5k option, both starting at the summit of Rabbit Ears Pass. Participants navigate..

Run Rabbit Run is an exhilarating running event featuring 50 and 100-mile races set in the stunning Routt National Forest of Steamboat Springs, Colorado. Scheduled for September 12-13, 2025, the event attracts both seasoned and novice runners, offering a challenging course with significant elevation..

The Meadowgold 5k &10k will take place in Minturn on Saturday 13 September 2025. You can run between 5 and 11 kilometers.

The Crested Butte Ultra is an exciting running event set in the picturesque Crested Butte, Colorado, known for its exceptional trails. Participants can choose from three race distances: 50 miles, 55K, and 35K, all of which traverse the stunning landscapes of the Gunnison National Forest. Runners wil..

The Golden Leaf Half Marathon will take place in Aspen on Saturday 27 September 2025. You can run 13 miles.

The Emerald Mountain Trail Run is a scenic running event taking place in Steamboat Springs, Colorado, featuring two race distances: a 12k (approximately 7.75 miles) and a 4-mile run. The course begins at the base of Howelsen Hill and winds through beautiful aspen-lined single tracks, making it a pic..

The West Elk Challenge is a scenic trail marathon set in the stunning West Elk Mountains of Colorado, taking place on October 4, 2025. Participants can run, walk, or hike through vibrant fall foliage, starting at Crawford Reservoir State Park and traversing gravel roads and single-track trails. The..

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 a variety of terrains, including technical slickrock and smooth singletrack, making it a..

Rabbit Valley Ultras is an exciting new ultra-running event set in the scenic Grand Valley area of Mack, Colorado. Participants can choose between two distances: a 50k and a 100k, with the course featuring two segments and a central aid station. The event emphasizes a natural, unpaved environment, a..

The Kessel Run Ultra, taking place in Fruita, Colorado, offers an exciting trail running experience with various distances including 50 Miler, 40 Miler, 50k, 20 Miler, and 10 Miler. Known for its stunning singletrack trails, participants can enjoy breathtaking views of the San Juan Mountains and the..