Trail Running calendar near Mesa 2026-2027

We have found 20 Trailruns within 80 miles of Mesa. See below where and when you can find the races.

A three-day trail running festival in the high desert of Fruita, Colorado. Runners can choose from four distances on scenic singletrack with views of the Colorado River. The event offers a festival atmosphere with family activities and serv..

UTMB Index
May 2026

The Pilgrimage is a 150-hour timed ultra in Colorado's high desert. Its unique format features five different loops, with route order changing each journey, emphasizing solitude and self-reliance. The event offers crewed and uncrewed divisi..

A two-day outdoor festival in Fruita, CO featuring a trail half marathon, mountain bike and gravel 50K races, guided canyoneering, clinics, kids races, and reserved camping at the North Fruita Desert Trailhead.

Point to point trail races in Carbondale, Colorado offering a 10 mile and a 25k on the Up & Over single track. The weekend includes a film festival, shuttle service from Carbondale, and a post race gathering at Rock Bottom Ranch.

A Memorial Day trail event in Grand River Park, New Castle, offering a family friendly 3.5 km riverside route and a longer 7.7 km route over scenic hilltops, with matching virtual distance options.

July 2026

The 1876 Centennial Run in Snowmass Village offers four unique distances, from a 3.76k to an 18.76k challenge. The event starts and ends at the New Belgium Ranger Station and is part of the Colorado Brewery Running Series, with proceeds sup..

Crested Butte's oldest trail challenge offers a classic 15k run, a 25k loop, and a tough mountain bike route. The bike course covers nearly 15 miles with significant climbing. This is a no-frills event focused on the trail experience.

Tackle the Stagecoach Trail at Powderhorn Mountain Resort. Choose between a steep 5K climb or a demanding 15K that goes up the mountain twice. The registration includes a lift pass, t-shirt, and post-race food.

Run scenic mountain trails around Aspen Snowmass at the Audi Power of Four Trail Run on July 18, 2026. Choose from 10K, 25K or an epic 50K and enjoy challenging terrain, alpine views and Audi supported race day energy.

Trail ultras of 50 miles, 55K and 30K on Grand Mesa in Colorado with mountain single track, alpine meadows and lakes. Camping options are available and the event includes cash prizes, finisher awards and post race amenities.

August 2026

Explore the high alpine trails surrounding Aspen, Colorado, in this trail running event. Choose from three distances—50K, marathon, or heavy half marathon—on scenic dirt paths. The finish line at Rio Grande Park coincides with a community f..

A single-loop mountain ultra in the La Sal Mountains on August 8-9, 2026 offering 100 mile, 50 mile and 50K options. High elevation routes include alpine scree and extensive aid stations with hot food and nutrition.

September 2026

This 40-mile point-to-point ultramarathon traverses the Elk Mountains from Crested Butte to Aspen, with over 6,000 feet of elevation gain. The event requires mandatory backcountry gear and supports Colorado Search and Rescue. Registration o..

The Lead King Loop 25k will take place in Marble on Sunday 13 September 2026. You can run 25 kilometers.

The Crested Butte Ultra offers three trail distances in Colorado's Gunnison National Forest. Runners experience single track trails through mountain meadows and ridges with scenic views.

The Golden Leaf Half Marathon will take place in Aspen on Saturday 26 September 2026. You can run 21 kilometers.

October 2026

A trail race at Hartman Rocks near Gunnison, Colorado, offering 50K, 28K and 15K options on slickrock, singletrack and doubletrack. The course features rolling hills, a high desert climate, and wide mountain views.

The West Elk Challenge is a point-to-point trail marathon and 30K through Colorado's North Fork Valley at peak fall colors. Runners climb to Inter-Ocean Pass on a course of gravel roads and singletrack. All proceeds fund summer camp scholar..

This Halloween-themed 5K in Aspen is a timed run or walk where participants can bring their costumed pets. Proceeds support the local animal shelter, and there are cash prizes, costume contests, and food trucks.

November 2026

Trail races in Fruita, Colorado on November 7, 2026 offering 10 mile to 50 mile distances on singletrack through the North Fruita Desert with mountain and monument views, cupless aid stations, and published course elevation data.