Trail Running calendar near Byers 2025-2026

We have found 38 Trailruns within 80 miles of Byers. See below where and when you can find the races.

Take on the Barr Trail Mountain Race in Manitou Springs, Colorado, a rugged 12.6 miles up to Barr Camp on Pikes Peak terrain and back to the trailhead. Part of the Garden to Peak Challenge, this summer favorite fills fast so register early.

Pikes Peak Ultra in Colorado Springs offers trail distances from 20K to 50 mile on scenic granite singletrack with sweeping alpine views. Longer routes summit Mt Rosa while cupless aid stations and crew accessible stops keep you moving.

Join the Wild West Relay, a scenic point to point run of roughly 200 miles from Fort Collins to Steamboat Springs. Solo runners and teams of all sizes are welcome for an unforgettable overnight relay adventure.

August 2026

Staunton Rocks! Marathon and Half deliver high altitude singletrack through Staunton State Park, offering sweeping mountain views, alpine wildlife, and serious vertical gain. With just 150 spots per distance, this rugged trail run fills fas..

Challenge yourself on scenic Ridgeline Trail at Rock Hawk Trail Races on August 29, 2026 in Philip S. Miller Park, Castle Rock, CO. Choose from 5K to 50K distances, enjoy rolling terrain and finisher awards while supporting local trails.

September 2026

Ned Ned Run in Nederland Colorado blends scenic trail and road running through the foothills, offering a half marathon, 10K and fun 5K for all abilities. Family friendly and costumes encouraged, with leashed dogs welcome in the 5K.

Race to the summit of Pikes Peak on the historic Barr Trail in Manitou Springs, Colorado. Choose the full marathon up and down the 14,115 foot peak or the uphill Ascent for an epic alpine challenge and unforgettable views.

Race to the summit of Pikes Peak on the historic Barr Trail in Manitou Springs, Colorado. Choose the full marathon up and down the 14,115 foot peak or the uphill Ascent for an epic alpine challenge and unforgettable views.

Test your limits at 24 Hours of Palmer Lake, a low key community driven endurance run atop the Palmer Divide at 7,240 feet. Short loop laps keep the vibe close and the first ten to reach 100 miles earn an on site buckle.

October 2026

The Bear Chase is a two day trail running festival at Bear Creek Lake Park on October 3 and 4, 2026. From ultras to fun 5K and 10K options, enjoy scenic single track loops with aid stations and live split tracking.

Run scenic dirt trails and wide mountain views at the HRCA Wildcat Mountain Trail Races in Littleton, CO. Choose a 10 mile, 10K, or kids fun run and enjoy post race pancakes, medals, and a festive mountain day.

Run scenic Front Range single track through aspen and pine at Indian Creek Campground in Sedalia, CO on Oct 17, 2026. Choose 50 Mile, 55K, 15 Mile or 5 Mile routes and earn a unique finisher award.

Run the rugged single track of Palmer Park at the Bobcat Trail Races in Colorado Springs, with 50K, 25K, 10K and 5K options. Enjoy rocky bluffs, forested trails and city views including Pikes Peak on a challenging, scenic course.

Take on the Blue Sky Trail Marathon or Half around the hogbacks near Fort Collins, Colorado on scenic singletrack with rocky ridgelines and big views. Limited fields and stocked aid stations make for a focused trail race.

Tackle scenic single track trails at Bear Creek Lake Park in Lakewood CO with 5 km, 15 km, a 5 plus 15 double and a kids 1 km. Enjoy race swag and a pancake breakfast amid varied terrain and rolling hills.

November 2026

Nov 7, 2026 in Lone Tree CO, tackle a scenic single loop 13.1 mile course on dirt and singletrack through Highlands Ranch Backcountry Wilderness. Aid stations, tech shirt, finisher medal, pancake breakfast, post race beer and cash prizes.

Join the Colorado Cold Rush Ultra in Colorado Springs on November 21 for scenic mountain trail races around Bear Creek Regional Park, with 50k, half marathon and 10k options. All finishers get a BOCO beanie, race shirt and award.