Trail Running calendar near Red Feather Lakes 2026-2027

Experience the Rocky Mountains at Granby Ranch Resort with distances ranging from 6 miles to a 14 hour elevation challenge. Runners navigate single track trails through aspen groves and alpine meadows with views of the mountain range.

A festival at Luvin Arms Animal Sanctuary in Erie Colorado featuring multiple distance and timed events on a mostly flat off road loop with Rocky Mountain views and sanctuary animals nearby.

A 10k+ trail race on the Devil's Backbone trails in Loveland, Colorado, the 2026 edition is announced as the final running; the looped course uses Hidden Valley, Hunter Loop, Laughing Horse, and Wild Loop with an aid station near 3 miles.

A multi-distance trail event at Barr Lake State Park on June 13, 2026 featuring dirt loop and out and back courses with continuous lake and Front Range views and modest elevation gain.

Trail races of 8 and 4 miles on the single-track trails of Howelsen Hill and Emerald Mountain near Olympian Hall in Steamboat Springs. The loop climbs via Lupine trail, has one main aid station, and awards top finishers.

A four-race running series in Winter Park, Colorado, from June 14 to August 22, 2026. Events range from a family 5K to half marathons and are scored by a points system with Open Men and Open Women categories.

The Muddy Dash - Denver will take place in Dacono on Saturday 20 June 2026.

A one day festival in Lyons Colorado combining gravel and road bike events, trail running races, live music, pool areas and camping. Distances include 100K and 50K gravel rides plus a 5 mile run and several relays.

A community-focused trail festival in Gold Hill, Colorado, with 28K, 12K, 5K and Kids 1K races, a shuttle from Boulder, and proceeds supporting wildfire preparedness for the town.

Trail races at Lory State Park on June 27, 2026 featuring 10 mile, 5 mile and 5K courses with treetop views of Horsetooth Reservoir and aid stations using biodegradable cups and dog water bowls.

A backyard ultra on the paved Lake Estes trail where runners complete 4.252 mile loops each hour until one runner finishes a loop alone. The event records yards for DNFs and offers on-site aid and athlete village space.

SBT TRL in Steamboat Springs offers trail races at Howelsen Hill as part of the SBT GRVL weekend. Participants can choose a 5 km or 10 km distance with registration open from February 10 to June 27, 2026.

Operation HAYSTACK is a half marathon in Nederland, Colorado on June 27, 2026. The course covers 13.1 miles with 4,226 ft of elevation gain and the listed entry price is $105 plus tax.

A 5K run/walk in Winter Park, Colorado following the Fraser River Trail from Gondola Plaza to the Rendezvous Event Center, with an after party featuring refreshments, awards and prize giveaways.

Experience a mountain run to the summit of an 10,839 foot former volcano. This 8 mile out and back course features 2200 feet of climbing and panoramic views from a historic fire lookout tower.

A trail race on Spring Creek near the gazebo in Steamboat Springs offering a 9.5 mile loop with steep early climbs and a 5K out and back. The long course has one aid station and is cupless.

Repeating 2 km out and back laps on the Thumb Open Space trail in Estes Park. Participants collect a poker chip at each turnaround and the most chips wins during a sunup to sundown timeframe; 35 spots and a $100 entry fee.

High-altitude trail ultras in State Forest State Park offering 100 km and 60 km options across alpine ridges, varied technical terrain and staffed aid stations, with limited entries and significant elevation gain.

A point to point relay across Colorado, the Wild West Relay covers 200 miles and 36 legs from Fort Collins to Steamboat Springs over two mountain passes. Teams of various sizes can compete and each team carries a GPS tracker with app suppor..

Point to point mountain trail races in Winter Park, Colorado on August 1, 2026. Three distances offer alpine singletrack, substantial elevation change, aid stations with nutrition, and age group awards for men and women.