Trail Running calendar near Red Feather Lakes 2026-2027

Trail races in Steamboat Springs with 50k, 16-mile, and 5-mile options starting and finishing at Torian Plum Lawn. The cupless event supports trail maintenance and features mountain aid stations, strict cutoffs, and no vehicle access on cou..

Run Like the Wind in Allenspark on August 29, 2026 features a 5K race, a 2K run/walk and a dog jog option. Proceeds benefit The Old Gallery and participating dogs are entered in an amateur dog show.

A multi day ultrarunning event in Loveland Colorado with timed events from 12 hour to 100 hour and distance races up to 200 mile on a two mile loop. Camping, continuous aid, chip timing, and event swag are provided.

Join the community for a 5K run or walk on a brand new dirt course at the North Arvada Middle School Athletic Complex. Support local high school racers before taking on this off road route yourself.

Trail races at the 10,000 foot summit of Rabbit Ears Pass on September 6, 2026, with a roughly 6.8 mile 10k and a 3.4 mile 5k. Proceeds support Steamboat Nordic and awards and a raffle follow the finish.

A commemorative running event in Longmont, CO on a flat loop course, offering multiple race formats including a 100 mile option and virtual entries, with on-course aid, finisher awards, and hot food available during overnight racing.

A longstanding Nederland, Colorado running event offering a 5K road run, a 10K trail, and a trail half marathon, with family-friendly features, on-leash dogs allowed in the 5K, and costume encouragement.

Trail running at Snow Mountain Ranch near Granby, Colorado offers distances from 5K to 50K on high-elevation dirt trails with notable climbs, multiple aid stations, and specific time limits for longer courses.

Experience the scenic trails of Lory State Park in this 13.5 mile mountain race featuring technical singletrack and stunning Rocky Mountain views. Enjoy a well supported course followed by a celebratory pancake breakfast at the finish.

Mountain trail races in Empire, Colorado offering 50K and 22K point to point courses with high altitude and substantial elevation gain. Prior ultra experience is required for the 50K and cut off times are enforced.

Run Rabbit Run in Steamboat Springs, Colorado is an annual trail ultramarathon offering 100 mile (Hares and Tortoises) and 50 mile divisions, limited-field races with a six-figure prize purse and a history of charitable giving.

Second annual trail race in Golden, Colorado on September 19, 2026 supporting BeyondHome. Courses include a 10 mile North Table Loop route and a 5 mile route on Lithic and Fairmount Canal trails.

Experience the wild spaces of Northern Colorado with a weekend of trail races ranging from a half marathon to a 50 mile ultra through scenic forests and scout camp trails. Stay on site with available camping and community meals.

Experience a rugged trail adventure through the Colorado wilderness in Estes Park. Choose between a 50k run or bike and a heavy half marathon while supporting the local high school mountain bike team.

Trail races on Emerald Mountain near Howelsen Hill offering a 12k about 7.75 miles and a 4 mile option over aspen-lined singletrack. Awards and series prizes are presented at Olympian Hall after the race.

Experience the scenic redstone hardpack of Northern Colorados Front Range mountains. This event offers marathon and half marathon distances on singletrack trails with moderate elevation and generous time limits.

Test your limits on a scenic and flat one mile dirt loop in Fort Collins. Choose between 6, 12, or 24 hour durations with full course support and a welcoming community atmosphere.

A trail race in Louisville, Colorado offering half marathon, 10 km and 5 km distances on dirt trails with views of the Flat Irons. The event includes aid stations, drop bag service and post race festivities in a family friendly setting.