Trail Running calendar near Jackson County 2026-2027

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.

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..

Trail races on private ranch trails at Sylvan Dale Guest Ranch in Loveland, Colorado over two days in April 2026. Events range from 5K and 10K to 4, 6 and 12 hour timed races plus relay and virtual options.

A trail ultramarathon on April 12, 2026 along the Poudre River Trail offering 50 mile and 100 mile solo and relay options with stocked aid stations and a post race celebration in Greeley.

Trail races on scenic, well marked singletrack around Fort Collins. Choose a 25 mile loop with about 5,500 feet of gain or run a second loop for 50 miles and roughly 11,000 feet of ascent, with staffed aid stations and enforced cut-offs.

Trail trail race at the YMCA of the Rockies in Estes Park offering 10k, 27k and 55k looped routes. The course is mostly single track with a steep ascent at Bible Point and includes a day pass, a custom hat and wool finisher socks.

Trail races near Laramie, WY, on rugged single- and two-track terrain with **10K** and **25K** options. The event is cupless, offers aid stations and awards, and donates proceeds to Pilot Hill Inc.

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-plus trail run at Devils Backbone Open Space in Loveland, CO, on a looped, flour-marked course with one aid station passed twice. Parking requires a park pass, finishers get a placing token, and awards follow at Loveland Aleworks.

A trail race at Howelsen Hill in Steamboat Springs on June 13, 2026 featuring 8 mile and 4 mile single track loops on Emerald Mountain. Proceeds benefit the Knights of Columbus and awards and a prize raffle follow the race.

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.

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.

An 8 mile out and back trail run on Hahns Peak in Clark, Colorado, climbing to a 1912 fire lookout tower via single track and a talus slope. Proceeds support Steamboat Springs high school track and cross country programs.

Two trail races in Steamboat Springs on July 18, 2026: a 9.5 mile loop with significant climbing and rocky single track, and a 5k out and back on rolling two track. One aid station on the longer course, cupless event, prize raffle and post..

High-altitude trail ultras near Cameron Pass in State Forest State Park: 100 km, 60 km or a double across alpine ridgelines, varied backcountry terrain, marked routes and stocked aid stations with limited entry.

A non repetitive 200 mile loop around Summit County Colorado that reaches high alpine elevations above 9000 feet. The field is limited to 75 runners, with live GPS tracking, aid and sleep stations, and a 110 hour cutoff.

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.

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.

A four‑week August trail race series at Lory State Park featuring 5K, 10K and 12K options with varied elevation. Post‑race pizza and beverages are provided and series awards go to top points scorers.

A trail race on the Frisco Peninsula offering 5k, 10k and half marathon courses with lakeshore finishes, chip timing, stocked aid stations, post-race food and beer, and marked single track and dirt trails.