Trail Running calendar near Wheat Ridge 2025-2026

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..

Run the scenic Leadville Trail 10K on August 16, 2026 in historic Leadville, Colorado, tracing the opening miles of the LT100 course at over 9,700 feet. Enjoy a fast out and back on paved and dirt roads with aid at the turnaround and awards..

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.

Tackle the legendary Leadville Trail 100, a 100 mile out and back ultramarathon through the high Colorado Rockies with steep climbs, technical singletrack and alpine passes up to 12,500 feet. Expect epic views, serious altitude and belt buc..

Run mountain trails in Fraser, Colorado on August 22, 2026 with a scenic high elevation half marathon or a friendly 5K along dirt roads. All proceeds benefit the Shining Stars Foundation and dogs on leash are welcome.

Staunton Rocks! Marathon and Half deliver high altitude singletrack through Staunton State Park, offering sweeping mountain views, alpine wildlife, and serious vertical gain. With just 150 spots per distance, this rugged trail run fills fas..

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

Join Rock Hawk Trail Races on August 29, 2026 at Philip S. Miller Park in Castle Rock for scenic rolling trail courses from 5K to 50K. Enjoy friendly aid stations, sweeping ridge views, and the chance to support local open spaces and trails..

Run the Cirque Series at Arapahoe Basin: a scenic 9.4 miles with 2,211 ft of climbing on high alpine trails around Montezuma and Little Lenawee. Finish in Mountain Goat Plaza with live music, food, and festival vibes.

Join the Ned Ned Run in Old Town Nederland, Colorado in September, a 44 year tradition offering road and trail distances from a scenic 5K to a tough half marathon. Family friendly and costumes encouraged; dogs on leash welcome in the 5K.

Run aspen groves and mountain trails at Snow Mountain Ranch in Granby, Colorado on September 12, 2026. Choose 5K to 50K routes on dirt and grass with aid stations and crew support.

Run a scenic 13.5 mile trail half through Lory State Park with big climbs and sweeping Rocky Mountain and plains views, plus a one mile kids race. Small field, pint glass finisher and a hearty post race breakfast make it a memorable day.

Take on the legendary Pikes Peak Ascent and Marathon in Manitou Springs, Colorado, racing Barr Trail to the 14,115 foot summit. Choose the 13.3 mile Ascent to the top or the full 26.2 mile marathon up and back for a stunning high altitude c..

Take on the legendary Pikes Peak Ascent and Marathon in Manitou Springs, Colorado, racing Barr Trail to the 14,115 foot summit. Choose the 13.3 mile Ascent to the top or the full 26.2 mile marathon up and back for a stunning high altitude c..

Red Feather Trail Jamboree in Red Feather Lakes Colorado offers a weekend of scenic singletrack racing, camping and a community dinner at Ben Delatour Scout Ranch. Choose 50 Mile, 50K or Half Marathon, capped at 500 runners.

Test your limits at 24 Hours of Palmer Lake, a low key community driven endurance run atop the Palmer Divide at 7,240 feet. Short loop laps keep the vibe close and the first ten to reach 100 miles earn an on site buckle.

Join the Bear Chase trail running festival Oct 3 to 4, 2026 at Bear Creek Lake Park in Lakewood, Colorado with distances from 5K to 100K on scenic singletrack. Proceeds support Lakewood and Bear Creek open space projects.

Run scenic dirt trails and wide mountain views at the HRCA Wildcat Mountain Trail Races in Littleton, CO. Choose a 10 mile, 10K, or kids fun run and enjoy post race pancakes, medals, and a festive mountain day.

Explore scenic single track through aspen and pine in the Colorado Front Range at Indian Creek Trail Runs, with distances from 5 miles to 50 miles. Enjoy varied terrain, well stocked aid stations, limited camping and a unique finisher award..