Trail Running calendar near Jelm Mountain 2026-2027

Experience the Rocky Mountains at Granby Ranch Resort with distances ranging from 6 miles to a 14 hour elevation challenge. Runners navigate single track trails through aspen groves and alpine meadows with views of the mountain range.

A 10k+ trail race on the Devil's Backbone trails in Loveland, Colorado, the 2026 edition is announced as the final running; the looped course uses Hidden Valley, Hunter Loop, Laughing Horse, and Wild Loop with an aid station near 3 miles.

Experience the single track trails of historic Howelsen Hill in Steamboat Springs. Choose between the 4 mile or 8 mile distance as you run through scenic aspen groves and vibrant wildflowers to benefit the Knights of Columbus.

A one day festival in Lyons Colorado combining gravel and road bike events, trail running races, live music, pool areas and camping. Distances include 100K and 50K gravel rides plus a 5 mile run and several relays.

Trail races at Lory State Park on June 27, 2026 featuring 10 mile, 5 mile and 5K courses with treetop views of Horsetooth Reservoir and aid stations using biodegradable cups and dog water bowls.

A backyard ultra on the paved Lake Estes trail where runners complete 4.252 mile loops each hour until one runner finishes a loop alone. The event records yards for DNFs and offers on-site aid and athlete village space.

SBT TRL in Steamboat Springs offers trail races at Howelsen Hill as part of the SBT GRVL weekend. Participants can choose a 5 km or 10 km distance with registration open from February 10 to June 27, 2026.

Experience a mountain run to the summit of an 10,839 foot former volcano. This 8 mile out and back course features 2200 feet of climbing and panoramic views from a historic fire lookout tower.

A trail race on Spring Creek near the gazebo in Steamboat Springs offering a 9.5 mile loop with steep early climbs and a 5K out and back. The long course has one aid station and is cupless.

Repeating 2 km out and back laps on the Thumb Open Space trail in Estes Park. Participants collect a poker chip at each turnaround and the most chips wins during a sunup to sundown timeframe; 35 spots and a $100 entry fee.

High-altitude trail ultras in State Forest State Park offering 100 km and 60 km options across alpine ridges, varied technical terrain and staffed aid stations, with limited entries and significant elevation gain.

A point to point relay across Colorado, the Wild West Relay covers 200 miles and 36 legs from Fort Collins to Steamboat Springs over two mountain passes. Teams of various sizes can compete and each team carries a GPS tracker with app suppor..

A four-race August trail series at Lory State Park in Fort Collins featuring 5k, 10k and 12k courses with chip timing, series points and end-of-series awards. Post-race pizza and beverages are provided.

Two day mountain bike and trail running event in Steamboat Springs on August 8 and 9 2026. Multiple distances from a 52 mile solo bike to 26.2 and 13.1 mile runs, with proceeds supporting local youth and trail organizations.

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.

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.

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 60 hour endurance challenge at Snow Mountain Ranch where runners repeat a 10 mile trail loop to reach milestone distances. Entry includes lodging, meals, training and recovery services.