Trail Running calendar near Brighton 2026-2027

Run a flat and fast off road course at an animal sanctuary with views of the Rocky Mountains. Choose from multiple distances and timed events while supporting rescued farm animals in a festival atmosphere.

Experience a scenic loop course through the Devil’s Backbone Open Space in Loveland. This manual timed trail run features natural terrain and includes a commemorative hat for all participants.

The Barr Lake Trail Race offers a flat, fast course on dirt trails around the scenic lake. With distances from 5K to 50K, runners can enjoy views of the Colorado Front Range. The event is in its seventh year and features a cupless initiativ..

Experience up to three miles of messy fun at the Colorado National Speedway. Navigate obstacles by crawling wading and sliding through the mud with friends and family during this unique event in Dacono.

Test your strength at this exclusive obstacle course event in Peyton featuring a three lap 3K race and a one mile kids run. Navigate rigs, rope climbs, and heavy carries in a small field of only fifty athletes.

Experience the peaks of Colorado through a series of four half marathons and a 25 km trail race. Run through iconic locations like Estes Park and Nederland while supporting local youth programs.

The Timberview Trail Run returns for its seventh year at Lory State Park. Choose from scenic 5K, 5-mile, or 10-mile trail courses with views of Horsetooth Reservoir. Participants receive a shirt, finisher medal, and post-race refreshments.

Run under the full moon in Colorado. This overnight event offers solo ultramarathon distances and team relays on rolling dirt trails. A unique 100-mile challenge with a cash prize is available for 3-person teams.

This Backyard Ultra takes place on a paved trail around scenic Lake Estes in Colorado. Runners complete a 4.252-mile loop every hour until only one remains. The event starts in the afternoon and includes custom swag for all participants.

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.

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.

Experience high altitude trail running through historic Colorado ghost towns and mines at over 10000 feet. Choose from distances ranging from 10 miles to 100 miles in the scenic South Park Valley.

Experience a historic mountain run on Pikes Peak climbing to an altitude of 10,200 feet. This 12.6 mile trail race features a 3,630 foot vertical gain through the scenic landscapes of Manitou Springs.

Course and Terrain The Summit 200 is a 200-mile single-loop ultramarathon in Summit County, Colorado. The non-repetitive course utilizes hiking trails, 4WD roads, and recreation paths, with the majority being single-track trail and infreque..

Experience an epic 200 mile point to point team relay from Fort Collins to Steamboat Springs. Run through the heart of the Rocky Mountains and over two scenic mountain passes in this ultimate Colorado road race.

Experience high alpine racing through the scenic singletrack and forest trails of Winter Park Colorado. Join a point to point mountain adventure with distances ranging from a 10K loop to a technical 50K ultra.

Experience a series of midweek trail races at Lory State Park with distances ranging from 5km to 12km. Enjoy a post-race social with pizza and beverages after navigating the scenic trails of Fort Collins.

Event Overview Run the Rockies Trail Race is a trail running event held in Frisco, Colorado. The event offers three distances: a 5 km, a 10 km, and a half marathon. All races start and finish at the Frisco Nordic Center on Recreation Way. C..

Experience a focused trail run through the hills of Lory State Park with 1,700 feet of elevation gain. Enjoy a post-race social with pizza and beer in a scenic outdoor setting limited to 100 participants.

A four-race trail series on Tuesday evenings in August in Lory State Park. Distances include 5K, 10K, and 12K routes with varying elevation. Pizza and drinks follow each race, with series awards at the end.