Trail Running calendar near Estes Park 2026-2027

A midweek trail 5k at Lory State Park in Bellvue, Colorado, presented as part of an August series. Chip timing, series points and awards, free vintage shirts for registrants, and pizza and beverages after each race.

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.

Run on 100% unpaved trails in the Rocky Mountains near Fraser. Choose between a high-elevation half marathon or a 5K, with leashed dogs welcome. All proceeds support the Shining Stars Foundation.

Experience the beautiful singletrack trails of Staunton State Park in Colorado. This event features a marathon and half marathon through historic mountain terrain with expansive views and a festive post race meal.

Experience high altitude trail running through the aspen groves and ski resorts of Arrowhead and Bachelor Gulch. Choose between a challenging half marathon with significant elevation gain or a scenic point to point downhill 5K.

The Antelope Dash is a trail running event in Curt Gowdy State Park, Wyoming. Runners can choose between 4-mile and 8-mile courses through scenic landscapes with rolling hills and granite formations. The races start at over 7,300 feet, offe..

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.

Explore the rolling trails of Castle Rock's Miller Park at the Rock Hawk Trail Races. Choose from four distances, from a 5K to a 50K, on a course that supports local trails. The event features aid stations and a festive start/finish area fo..

Experience trail running on the Continental Divide in Steamboat Springs. Choose from 50k, 16 mile, or 5 mile courses in a cupless event supporting local trails. Awards, finisher mugs, and a post-race taco bar await participants.

Join a family friendly trail event in Aurora featuring 5K distances and a kids run. Enjoy dog demonstrations, a pancake breakfast, and a kids fun zone while supporting therapy and patrol K9 units.

Event Overview The Front Range Ultra Dayze (FRUD) is a multi-day running festival taking place in Loveland, Colorado. It features a variety of ultra-distance and timed events, with a total participant cap of 200 runners. Distances and Forma..

A mountain trail race at Arapahoe Basin on September 5, 2026 covering *9.4 miles* and *2,211 ft* of ascent, with Sport, Expert and Pro divisions, a 700 runner cap, on course aid stations and category prizes.

This high-altitude trail run starts at 10,000 feet on Rabbit Ears Pass. The 10k course features 1,200 feet of climbing and descending on a mix of dirt roads and single-track. A shorter 5k option is also available.

The American Heroes Run takes place on September 11 and 12, 2026 in Longmont, Colorado. Participants can run various distances on a flat, fast loop course. The event honors American heroes with special awards and a patriotic theme.

Experience trail and road running at 8,236 feet in Nederland, Colorado. Choose between a trail half marathon, a 10K, or a family friendly 5K while supporting local youth programs.

Experience high altitude trail running at the Snow Mountain Ranch Trail Running Festival in Granby. Choose from distances ranging from 5 km to 50 km on scenic dirt and grass paths reaching nearly 10000 feet in elevation.

Experience a 13.5 mile trail run through Lory State Park featuring 2,000 feet of vertical gain and technical singletrack. Enjoy panoramic views of the Rocky Mountains followed by a post race pancake breakfast.

Tackle high-altitude trails in the Colorado Rockies. Choose between a demanding 50K or a 22K point-to-point course, both featuring single-track paths and significant climbs. This remote race requires experience and preparation.

Experience the historic landscapes of Meadow Mountain in Minturn with a technical trail race through alpine meadows and singletrack. Choose between 5K and 11K routes featuring beautiful views of the Gore Range.

Run Rabbit Run is a September trail running event in the mountains near Steamboat Springs, Colorado. It features a 50-mile and a 100-mile course with significant elevation gain. The 100-mile race offers substantial prize money.