Trail Running calendar near Larkspur 2026-2027

We have found 110 Trailruns within 80 miles of Larkspur. See below where and when you can find the races.

Experience desert style single track and forest roads with views of the Collegiate Peaks in Buena Vista. Choose between 50k or 30k distances as part of the multi sport 14er Fest.

An outdoor Tough Mudder event at Fort Carson on September 26, 2026 offering 15K and 5K obstacle courses, spectator access, group packages, finisher medals and apparel, plus parking and volunteer options.

A community driven 24 hour loop run in Palmer Lake, Colorado, on a 0.82 mile mountain course. Top three overall receive awards and the first ten runners to reach 100 miles earn onsite buckles.

A *5K* trail run on Town of Breckenridge Trails that finishes at Blue River Plaza on Main Street during Breckenridge Oktoberfest. Field limited to 300 runners; first 250 registrants receive a long-sleeve technical tee and 21+ entrants get a..

OUTLAST Colorado Springs is a 6 hour trail challenge with a 5K lap every hour for six rounds. Patches and a medal are awarded for laps completed and finishers are ranked on a national leaderboard with cash prizes for top times.

A high alpine 50k near Mount Princeton in Nathrop, Colorado, featuring 7,000 ft of climbing and a 13,100 ft high point. The course follows Chalk Creek Canyon and the Colorado Trail through ponderosa and aspen forests to an alpine plateau.

A fall trail event in Buena Vista, Colorado on September 27, 2026 offering a 14K trail race with over 500 feet of elevation gain and a 5K along the Arkansas River. Both races start and finish at Vendor Village near the Eddyline Beer Garden.

October 2026

A two day trail festival at Bear Creek Lake Park in Lakewood, CO on October 3-4, 2026 offering races from 5K to 100K on mostly dirt singletrack with aid stations, drop bags at the Start/Finish, and specific crew and pacer rules.

Experience the scenic HRCA Backcountry Wilderness Area with trail races for the whole family. Enjoy rolling hills and open views followed by a pancake breakfast and finisher medals for all participants in Littleton.

A Woodland Park trail event featuring 50k and 10k options on singletrack and forest roads with views of Pikes Peak, stocked aid stations, and crew access for the 50k.

Multiple race distances run near the Royal Gorge Bridge, including a 5K road run, an 8 mile trail race and a 13.1 mile half marathon, plus a free kids Dinosaur Dash and a virtual race option.

A multi-distance trail event on the Castle Rock ridgeline featuring a family obstacle run plus 5K, 10K, half marathon and 50K. Timing, aid stations, shirts and medals are provided and the course reaches about 6,700 feet.

A four-race trail series across city parks with increasing distances, chip timing, and cumulative awards for runners who complete all four events.

A fall trail race at Staunton State Park offering 50K, 25K, a 25K FishSlappers division, and a steep 5K, run on runnable singletrack with aid stations and fundraising for land and water conservation.

Trail races around Indian Creek Campground near Sedalia, CO offering 50-mile, 55k, 15-mile and 5-mile options on single-track montane trails with scenic red rock and aspen views, limited entries, aid stations and on-course support.

A set of trail races at Palmer Park in Colorado Springs offering 50K, 25K, 10K and 5K courses with urban mountain views, marked single-track and aid station support on the longer distances.

Trail races at Bear Creek Lake Park offering 5 miles or a two-lap 10 miles on single-track dirt. Registration includes park admission, a finisher meal and refreshments; 10 mile finishers receive a commemorative mug.

A four-race cross country series across Colorado Springs parks with increasing distances and varied trail surfaces. Online registration only; awards are based on completing all four races and chip time scoring.

Methodist Mountain Ultra The Methodist Mountain Ultra (MMU) is a trail race set on the Methodist Mountain trail system near Salida, Colorado. It takes place at the northern end of the Sangre de Cristo mountains. The event features two dista..

A single loop trail event in Cañon City with 35 mile and shorter options that follow the Arkansas River, climb to 7,109 feet for Royal Gorge and Pikes Peak views, and feature well stocked aid stations and crew access.

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