Trail Running calendar near Leadville 2026-2027

We have found 70 Trailruns within 80 miles of Leadville. See below where and when you can find the races.

Experience high altitude trail running in Salida with beautiful views of the Arkansas Valley. Choose between a marathon, half marathon, or two mile run on a mix of dirt roads and hilly single track trails.

April 2026

Race the Ranch is a snowshoe event at Snow Mountain Ranch YMCA in Colorado. Participants must carry snowshoes on courses featuring groomed trails and mountain terrain. Registration includes a YMCA day pass and finisher socks.

Celebrating its 11th year, the Mountain Ridge Trail Race winds through the rolling hills of Highlands Ranch, Colorado. Runners can choose from four distances, all on scenic dirt trails with rewarding front range views. The event is cupless,..

May 2026

Run the fast trails of Greenland Open Space in Colorado this May. Choose from four distances, from a 4-mile race to a 50K championship event. All runners receive a tech shirt and medal, with pizza waiting at the finish.

Niwot's Challenge is a secretive, map-and-compass adventure in Colorado for experienced navigators. It features unsupported loops with significant off-trail travel and elevation gain. Entry is by application only for a limited field of part..

Celebrate the 36th anniversary of this Colorado trail run. Choose between a 25-mile or 50-mile course starting near Buena Vista. The route offers high-altitude running on historic trails with significant elevation change.

The Mt Sopris Run-Off is a point-to-point trail race in Carbondale, Colorado, featuring 28k and 10-mile distances. It's the centerpiece of a Trail Running Festival weekend with films and community events. Runners will enjoy a scenic course..

The Farish Trail Race takes place on May 23, 2026 at the Farish Recreation Area in Woodland Park, Colorado. Participants can run a half marathon, 10K, 5K, or a free kids' one-mile event. The first 200 finishers get a special hat.

Celebrate Memorial Day weekend with the Spirit Trail Race in Buena Vista, Colorado, a scenic trail event with marathon, half marathon and 9k options. Start in town square, enjoy Paddlefest fun, and support local nonprofits.

A Memorial Day trail event in Grand River Park, New Castle, offering a family friendly 3.5 km riverside route and a longer 7.7 km route over scenic hilltops, with matching virtual distance options.

Event Overview The North Fork 50 Ultras is a trail running event held in Buffalo Creek, Colorado, southwest of Denver. The event offers two distances: 50 miles (with approximately 6,425 feet of elevation gain) 50K (31.1 miles, with approxi..

A 20K route around Turquoise Lake in Leadville, CO, running clockwise from Matchless Boat Ramp with paved and single track sections. Adult entry is $40 and under 18 run free. Parking is limited and a day use fee may apply.

Experience a scenic 5K trail run through subalpine forests and lakeside paths at the historic Leadville National Fish Hatchery. This cross country style event supports local youth athletics and recreation in the Leadville area.

June 2026

Experience the beauty of the Rocky Mountains at the Summits Trail Runs. Choose from five distances ranging from six miles to a 14 hour challenge held on the scenic single track trails of Granby Ranch Resort.

Event Overview The Great Divide Ultra is a trail running festival held in early June in Divide, Colorado. The event takes place on the rolling meadows of Mueller State Park. The courses are 100% smooth single and double-track trail. Distanc..

Leadville Trail 100 Run Camp The Leadville Trail 100 Run Camp takes place over three days from June 19-21, 2026. It is an introduction to the Leadville Trail 100 Run course. The camp features guided group training runs, both day and night,..

Explore Colorado's peaks in this series of five mountain races. Run four scenic half marathons and a challenging 25K across the state from June to September. Participants can choose to tackle three, four, or all five events.

Event Information The Leadville Trail Marathon & Heavy Half Marathon takes place in Leadville, Colorado. The event offers two distances: a 26.4-mile trail marathon and a 15.46-mile "Heavy Half." Course Details The marathon cou..

July 2026

Kick off Independence Day with a 5k run/walk in Winter Park, Colorado. The scenic route travels along the Fraser River Trail and finishes at the Rendezvous Event Center for a post-race party.

Celebrate the Fourth of July at over 10,000 feet in North America’s highest city. This 5K run and walk through downtown Leadville supports local youth athletics and begins just before the annual holiday parade.