Trail Running calendar near Eaton 2026-2027

We have found 46 Trailruns within 80 miles of Eaton. See below where and when you can find the races.

A two day collegiate and high school cross country ski festival at Snow Mountain Ranch in Granby, Colorado featuring classic distance and skate sprint races, USCSA point scoring for colleges, age category medals and brand giveaways.

The Freakin Freezin 5K - Denver will take place in Civic Center on Sunday 25 January 2026. You can run 5 kilometers.

The Sourdough Snowshoe Race in Nederland, CO is a donation based backcountry event offering 18K and 30K routes where snowshoes are required. Enjoy rugged alpine scenery with a warming tent and hot drinks at the finish.

February 2026

An 8K T&H race on February 1, 2026 at Edora Park in Fort Collins for Fort Collins Running Club members only; a bib is required and volunteers are welcome.

Join the Super Sunday 5K on February 8, 2026 in Littleton for a scenic run along the Mary Carter Greenway. Celebrate at a post race party at Breckenridge Brewery Farmhouse with 20% off food and drinks and community fun.

A two-person partner race on Virginia Canyon road in Idaho Springs, CO, held on Valentine’s Day. Runners each complete a roughly 12-mile out-and-back; team time is the sum of both individual times and multiple awards are offered.

April 2026

Race The Ranch is a snowshoe race at Snow Mountain Ranch near Granby, Colorado on April 4, 2026, offering 5k, 25k and 50k looped courses over scenic groomed and singletrack snow trails. Finishers receive a custom beanie and engraved Miir ca..

Join Run the Ranch April 10 and 11, 2026 at Sylvan Dale Guest Ranch in Loveland, Colorado for trail races on private ranch trails, from 5K and 10K to timed 4 hour, 6 hour and 12 hour solo and relay events. Virtual options available.

Mountain Ridge Trail Race on Saturday April 11 2026 in Highlands Ranch Colorado starts and finishes at Mountain Ridge Middle School. Choose 21 mile, half marathon, 10 km or 5 km on mostly dirt single track with rolling climbs.

Take on the scenic Poudre River Trail April 11 and 12 2026 in Northern Colorado with 50 and 100 mile solo and relay options. Stocked aid stations, finisher swag, belt buckles for solos and a lively post race party await.

May 2026

Niwot's Challenge is a by invitation only endurance event near Sedalia, Colorado that prizes off trail navigation and self reliance over racing. Limited to 40 entrants, it offers routes up to 100 miles for experienced wilderness runners.

Two loop options around Lory State Park and Horsetooth Mountain Park: 25 miles with 5,500 feet of ascent or 50 miles with 11,000 feet. The route is mostly singletrack with multiple staffed aid stations and enforced cut-offs at key trailhead..

Samson's Revenge at the YMCA of the Rockies in Estes Park offers 10k, 27k and 55k looped trail races with a steep climb to Bible Point. Enjoy flowing single track, on course aid and a custom Fractel hat plus wool finisher socks.

June 2026

Hit alpine single track at Granby Ranch in Granby, Colorado on June 6, 2026 with options from 6 Mile to 50k and a unique Elevation Challenge. Expect rugged scenery, well stocked aid stations, and a lively resort finish.

A 10k+ loop trail run at Devil's Backbone Open Space in Loveland, Colorado on June 7, 2026, using Hidden Valley, Hunter, Laughing Horse and Wild Loop trails. The course is marked with flour arrows, features a staffed aid station, and ends w..

Scenic dirt trails around Barr Lake offer looped courses with continuous lake and front range views. Distances from 5K to 50K suit beginners to ultrarunners, with aid stations on longer routes and a cupless sustainability focus.

Three trail races 5K, 5 mile and 10 mile at Lory State Park near Horsetooth Reservoir and Fort Collins. Courses include aid stations with water and fuel, post race food, a finisher medal and an event shirt.

July 2026

Celebrate July 4th with the Rendezvous Run for Independence, a community 5K run or walk in Winter Park, CO. Enjoy scenic Fraser River Trail views and finish at the Rendezvous Event Center for postrace refreshments, awards and prizes.

Experience the Wild West Relay, a scenic point to point 200 mile run from Fort Collins to Steamboat Springs. Solo runners and teams of every size are welcome, with live GPS tracking and a mountain finish at Steamboat Springs Ski Resort.

August 2026

Run a scenic mountain 50K or 10K from Winter Park Resort into town with flowing singletrack, aspen groves and views of the Continental Divide. Expect changing high altitude conditions, full aid stations and a finisher award.