Trail Running calendar near Loveland 2026-2027

Trail races of 5k, 10k and half marathon on Frisco Peninsula trails with lake and mountain views, single-track sections, chip timing, aid stations, and post-race food and beer for participants 21 and older.

Experience a focused trail run through the hills of Lory State Park with 1,700 feet of elevation gain. Enjoy a post-race social with pizza and beer in a scenic outdoor setting limited to 100 participants.

A four‑race midweek trail series at Lory State Park in August 2026 offering 5k, 10k and 12k courses with varied elevation. Series and per-race registration, post-race food and drinks, and end-of-series awards for top points scorers.

STRS #5 Carter Park Scurry in Breckenridge on August 12 2026 offers short and long course entries across adult youth and non-binary divisions with published entry fees and a course map.

Run the scenic Medicine Bow Rail Trail and Lake Owen at high elevation in Wyoming's national forest. This event offers both marathon and half marathon distances, all on a historic pathway. The 2026 edition is scheduled for August 15.

A mostly dirt and trail race along Boulder Reservoir in Boulder, Colorado, with about 200 feet of elevation gain. Distances range from a 10K to a full marathon, plus a relay option.

Trail ultras from Roxborough State Park to Sharptail Trailhead featuring sustained climbs, technical singletrack, and a long runnable finish, with full aid support and an emphasis on land stewardship.

A multi-distance trail event at Standley Lake in Westminster, Colorado featuring 50K, 35K, half marathon, 10K and 5K on packed dirt trails with aid stations, drop bag access, parking at Wayne Carle Middle School and lakeside views of the Fr..

Summit Grays and Torreys Peaks in this 8.8 mile Colorado endurance event. Participants must carry a 20lb dry load while tackling 4,101 feet of elevation gain.

Experience a hilly 5k trail race through the scenic Lory State Park. Enjoy a low key atmosphere followed by pizza, beverages, and a vintage race shirt in this midweek summer series event.

A four‑race midweek trail series at Lory State Park in August 2026 offering 5k, 10k and 12k courses with varied elevation. Series and per-race registration, post-race food and drinks, and end-of-series awards for top points scorers.

A multi-day challenge at Snow Mountain Ranch where runners repeat a 10 mile loop to cover as much distance as possible within a 60 hour window, with lodging, meals, coaching and recovery services included.

Experience a high altitude trail run through the Rocky Mountains on 100 percent unpaved roads and trails. This dog friendly event in Fraser supports children facing cancer through the Shining Stars Foundation.

A trail race at Staunton State Park offering 26.3 mile and 13.1 mile courses over mostly singletrack with significant elevation gain, well marked trails, capped fields, and fully stocked aid stations.

Antelope Dash on August 22, 2026 takes place at Curt Gowdy State Park near Cheyenne, Wyoming. Two trail distances run on rolling, forested trails with elevation rising from about 7,300 to about 7,700 feet.

A half marathon trail race in Evergreen, CO that reaches the summit of Bergen Peak. Organized by the local parks district, the event includes vendor tents, refreshments, a cup-free policy and course marshals.

Experience a fast and flat 12k trail race through the scenic Valley Trails of Lory State Park. Enjoy a low key atmosphere followed by pizza, beverages, and a vintage race shirt in Bellvue.

Rock Hawk Trail Races on August 29, 2026 in Castle Rock, Colorado offers 50K, 25K, 10K and 5K on rolling singletrack with cup-free aid stations, chip timing, finish-line photos, drop bags, and live split tracking.

A community trail event at the Arapahoe County Fairgrounds on 08/29/2026 with a 5K run, a family 5K walk that allows leashed dogs, and a kids 1 mile plus demonstrations, vendors, and a pancake breakfast.

Run Like the Wind in Allenspark on August 29, 2026 features a 5K race, a 2K run/walk and a dog jog option. Proceeds benefit The Old Gallery and participating dogs are entered in an amateur dog show.