Trail Running calendar near Eaton 2026-2027

Take on the Lory Summer Trail Series at Lory State Park in Fort Collins: four midweek chip timed trail races across August with points, awards, and vintage Gnar shirts. Enjoy pizza and post race drinks for a fun community vibe.

A marathon and half marathon on the Medicine Bow Rail Trail and around Lake Owen in the Medicine Bow National Forest. High-elevation gravel trails, timed races, aid stations, and proceeds benefiting the trail nonprofit.

Run along Boulder Reservoir on flat, mostly dirt trail courses with sweeping Rocky Mountain views. Choose from 10K, 3 4 marathon, half, full marathon or relay, with USATF certified courses, a shirt and a finisher medal.

Roxborough Ultras features 50K and 50M all trail ultramarathons in Roxborough State Park with sustained climbing, technical terrain, and big elevation gain. August is hot and dry with limited shade and spaced aid stations, so carry water an..

Join the Into the Hills Eltuck 5k, part of a four race midweek trail series at Lory State Park in Bellvue. Chip timing, series points and vintage Gnar shirts add fun, while varied valley and hill courses challenge every runner.

Tackle a rugged 10k through Lory State Park with roughly 1,700 feet of climbing and chip timed results in this midweek trail series. Grab a vintage Gnar shirt and enjoy pizza and drinks after the run.

Run the Byers Peak Stampede in Fraser Colorado for a scenic half marathon or 5K on high country dirt roads with Rocky Mountain views. Family and dog friendly event with proceeds benefiting families affected by cancer.

The Lory Summer Trail Series will take place in Bellvue on Tuesday 25 August 2026. You can run 12 kilometers.

Join the American Heroes Run in Longmont, Colorado on September 11 and 12 to honor the victims and first responders of 2001 on a flat, fast 1.05 mile loop. Choose distances from 5K to 100 mile with timed and virtual options plus shirts and..

Ned Ned Run in Nederland Colorado features a trail Half Marathon, a 10K on dirt roads and single track, and a 5K out and back near Old Town. The event is family friendly, allows leashed dogs in the 5K, and encourages costumes.

Run high alpine trails at Snow Mountain Ranch in Granby Colorado on September 12 2026. Choices from 5K to 50K plus Moosehead challenges, scenic dirt and grass routes with on site lodging and camping.

A 13.5 mile trail half around Lory State Park near Fort Collins featuring about 2,000 feet of climb, mainly singletrack terrain and a free one mile kids race. Post race breakfast and awards are held at the Soldier Canyon Picnic Area.

Devil on the Divide in Empire Colorado on Sept 12 offers a high altitude point to point trail challenge with sweeping Continental Divide views. Choose 50K or 22K on rugged singletrack; ultrarunning experience required for the 50K.

Take on the scenic trails of North Table Mountain Park in Golden and support BeyondHome’s work helping families build stable, self sufficient futures. Enjoy community vibes, stunning views, and artisan awards for top finishers.

A three day trail event at Ben Delatour Scout Ranch near Red Feather Lakes featuring 50 Mile, 50K and Half Marathon courses across mostly singletrack with significant elevation gain, camp facilities and stocked aid stations.

Bear Chase Trail Race is a two day endurance festival at Bear Creek Lake Park with distances from 5K to 100K on scenic single track trails. Ultras race Saturday, shorter events Sunday, and proceeds help Lakewood open space and trails.

Run Wildcat Mountain near Littleton with 10 mile, 10K and kids races on rolling dirt trails and wide mountain views. Finishers get a dry fit shirt, medal, pancake breakfast and post race beers.

Run scenic single track trails through lodgepole pine, aspen groves and red rock views at the Indian Creek Trail Runs in Sedalia, Colorado. Choose from 50 mile, 55k, 15 mile or 5 mile distances with stocked aid stations and finisher medals.

Run scenic singletrack between Horsetooth Mountain Park and Devil's Backbone at the Blue Sky Trail Marathon and Half. Rugged climbs, rocky trails and full aid stations promise a rewarding mountain challenge.

A trail race at Bear Creek Lake Park in Lakewood offering a 5-mile option and a 10-mile double lap, with park admission, post-run food and drinks included, free beer for those 21+ with ID, and a finisher mug for 10-mile finishers.