Trail Running calendar near Red Feather Lakes 2026-2027

Trail races at the YMCA of the Rockies in Estes Park on May 23, 2026 offer 50k, 25k and 10k options. The course centers on a 10 km loop with a 1,200 ft climb at Bible Point and two staffed aid stations.

Test your endurance at this Golden Colorado event following the classic backyard format with 4.17 mile laps every hour. Support the Sun Valley Kitchen and Community Center while pushing for your personal best distance.

A multi distance running festival in Eaton, Colorado on May 30 to May 31, 2026 offering races from 7K to 100 Mile plus relay and timed events. The venue uses a 2 mile groomed loop and provides glamping and onsite amenities including sauna a..

A community trail race near Laramie offering a classic 25K over rugged two-track and single-track to an 8600 ft summit, plus a new 10K. The event is cupless with aid stations supplying water, Skratch, and snacks.

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 multi distance off road running festival at Luvin Arms Animal Sanctuary near Erie, Colorado. Events include 5k, 10k, 50k, 50 mile and multiple timed runs while supporting the sanctuary.

A final edition trail race at Devil's Backbone Open Space in Loveland, Colorado featuring a looped 10k+ course, a staffed water stop near 3 miles, flour-arrow markings, informal stick-based placings, and an awards gathering at Loveland Alew..

A looped trail race at Barr Lake State Park near Brighton, Colorado, offering 5K through 50K distances on dirt trails with continuous lake and Front Range views. Courses feature low elevation gain per loop and varying aid station coverage.

A trail race on the single track trails of Howelsen Hill in Steamboat Springs offering 8 mile and 4 mile distances. Proceeds support the Knights of Columbus and awards and a prize raffle follow the race.

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.

Muddy Dash in Denver is a 5K mud run at Colorado National Speedway on June 20, 2026, featuring obstacles, mud pits no deeper than waist level, a pre-party with music, and an after-party with food and beer. Family friendly with standard and..

A one-day festival in Lyons on June 20, 2026 that combines gravel and road bike rallies, several trail runs, live music, camping and on-site pools. Featured formats include a 100K enduro, a 50K rally and a 5 mile run.

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.

Timberview Trail Run on June 27, 2026 at Lory State Park in Bellvue Colorado offers three trail distances: 5K, 5 mile and 10 mile. Courses run among treetops with views of Horsetooth Reservoir and Fort Collins.

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.

Experience a half marathon in the mountains of Nederland Colorado. This event features a significant elevation gain of 4226 feet with the summit always in view.

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 summer trail event on Spring Creek offering a 9.5 mile scenic loop and a 5k out and back. The longer course features steep early climbs, multiple stream crossings, one stocked aid station, and a cupless finish.