June 2026 Colorado Trail Running Races
3 upcoming Trail Running races in Colorado in June.
Races happening soon in Colorado.
These endurance races in Colorado are happening in the next 7 days. Check them out and sign up soon if you’re looking for something fun to do.
Sunset Trail Running Festival
Gold Hill Inn, Boulder, CO
1K · 5K · Other
Avg 84° / 53°·5,438 ft city elevation Avg 84° / 53°5,438 ft city elevation Race in the Clouds - Alma Dirt Festival 2026
Alma Cemetery Meadow, Alma, CO
10K · Half Marathon · Under 10 mi · 10–20 mi · 20–30 mi · 30+ mi · Olympic
Avg 69° / 39°·10,357 ft city elevation Avg 69° / 39°10,357 ft city elevation The Sunlight Showdown
10901 County Road 117, Glenwood Springs, CO
5K · 10K · Half Marathon
Avg 86° / 49°·5,820 ft city elevation Avg 86° / 49°5,820 ft city elevation July 2026 Colorado Trail Running Races
5 upcoming Trail Running races in Colorado in July.
Durango Brewer's Trail Series
Durango, CO
5K · 8K / 5 Mile · 10K
Avg 85° / 51°·7,248 ft city elevation Avg 85° / 51°7,248 ft city elevation Silverheels Trail Runs
441-463 Boreas Pass Rd, Como, CO
100K · Ultra · Other
Avg 71° / 42°·9,377 ft city elevation Avg 71° / 42°9,377 ft city elevation Audi Power of Four Trail Run
601 E Dean St, Aspen, CO
10K · 50K · Other
Avg 83° / 49°·7,813 ft city elevation Avg 83° / 49°7,813 ft city elevation TransRockies Run Charity Bibs
Colorado Rockies, Buena Vista, CO
Ultra
Avg 84° / 50°·8,017 ft city elevation Avg 84° / 50°8,017 ft city elevation Beas Knees Citizens' Race and National High School Trail Championships
Riverside Park, Salida, CO
Other
Avg 86° / 50°·7,090 ft city elevation Avg 86° / 50°7,090 ft city elevation August 2026 Colorado Trail Running Races
9 upcoming Trail Running races in Colorado in August.
Kennebec Mountain Run
County Road 124, Hesperus, CO
Other
Avg 80° / 52°·6,972 ft city elevation Avg 80° / 52°6,972 ft city elevation Sheep Mountain Trail Runs
Platte Drive, Fairplay, CO
Ultra · Other
Avg 71° / 43°·9,941 ft city elevation Avg 71° / 43°9,941 ft city elevation Pat's Pony Express
#714 Rainbow Gulch Trailhead, Rampart Reservoir, Rampart Range Road, Woodland Park, CO
8 Mile · Other
Avg 73° / 46°·8,567 ft city elevation Avg 73° / 46°8,567 ft city elevation Into the Hills Eltuck 10k
Lory State Park - Eltuck Picnic Area, Bellvue, CO
10K
Avg 78° / 55°·6,647 ft city elevation Avg 78° / 55°6,647 ft city elevation The Cheyenne Mountain Run
410 JL Ranch Heights, Colorado Springs, CO
5K · 10K · Other
Avg 84° / 57°·6,118 ft city elevation Avg 84° / 57°6,118 ft city elevation Into the Hills Eltuck 5k
Lory State Park - Eltuck Picnic Area, Bellvue, CO
5K
Avg 77° / 54°·6,647 ft city elevation Avg 77° / 54°6,647 ft city elevation Eltuck Valley 12K - Lory Summer Trail Series
Lory State Park - Eltuck Picnic Area, Bellvue, CO
Other
Avg 76° / 53°·6,647 ft city elevation Avg 76° / 53°6,647 ft city elevation Continental Divide Trail Run
2305 Mount Werner Cir, Steamboat Springs, CO
8K / 5 Mile · 50K · Other
Avg 79° / 41°·7,244 ft city elevation Avg 79° / 41°7,244 ft city elevation Bluffs Run 8K
10249 Ridgegate Circle, Lone Tree, CO
8K / 5 Mile
Avg 82° / 54°·5,837 ft city elevation Avg 82° / 54°5,837 ft city elevation September 2026 Colorado Trail Running Races
10 upcoming Trail Running races in Colorado in September.
Cirque Series - Arapahoe Basin, CO
28194 US-6, Keystone, CO
15K
53rd Annual Imogene Pass Run
Ouray Colorado, Telluride, CO
Other
Avg 69° / 35°·8,726 ft city elevation Avg 69° / 35°8,726 ft city elevation Trail Sisters Women's Half Marathon & 10k
801 Front Loop, Buena Vista, CO
10K · Half Marathon
Avg 75° / 41°·8,017 ft city elevation Avg 75° / 41°8,017 ft city elevation Red Feather Trail Jamboree
2331 County Rd 68C, Red Feather Lakes, CO
Half Marathon · 50K · 50 Mile · Ultra
Avg 65° / 35°·9,241 ft city elevation Avg 65° / 35°9,241 ft city elevation Mountain Marmot Trail Run presented by Durango Running Company
Purgatory Resort, Durango, CO
Other
Avg 73° / 41°·7,248 ft city elevation Avg 73° / 41°7,248 ft city elevation OUTLAST COLORADO SPRINGS
1045 Lower Gold Camp Rd # 3, Colorado Springs, CO
Other
Avg 73° / 45°·6,118 ft city elevation Avg 73° / 45°6,118 ft city elevation West Line Winder
402 E Main St, Buena Vista, CO
50K
Avg 71° / 36°·8,017 ft city elevation Avg 71° / 36°8,017 ft city elevation Estes Epic
380 Community Drive, Estes Park, CO
50K · 30+ mi · 70.3 · Other
Avg 61° / 31°·9,389 ft city elevation Avg 61° / 31°9,389 ft city elevation Sangre de Cristo Trail Festival
Grape Creek Trailhead (Almost), Westcliffe, CO
8 Mile · 50K · 50 Mile · 100K · Ultra · Other
Avg 69° / 33°·8,080 ft city elevation Avg 69° / 33°8,080 ft city elevation Greenland Open Space Pack Burro Race presented by Double Rainbow Ranch (8 Mile and 3 Mile)
1532 East Noe Road, Larkspur, CO
5K · 8 Mile
Avg 68° / 40°·6,846 ft city elevation Avg 68° / 40°6,846 ft city elevation October 2026 Colorado Trail Running Races
6 upcoming Trail Running races in Colorado in October.
HRCA Wildcat Mountain Trail Races
11033 Monarch Blvd, Littleton, CO
10K · 10 Mile
Avg 69° / 41°·5,445 ft city elevation Avg 69° / 41°5,445 ft city elevation OUTLAST DENVER
11500 N. Roxborough Park Rd, Littleton, CO
Other
Avg 71° / 41°·5,445 ft city elevation Avg 71° / 41°5,445 ft city elevation Rubey Rescue Run
199 W. Cooper Avenue, Aspen, CO
1 Mile · Other
Avg 65° / 33°·7,813 ft city elevation Avg 65° / 33°7,813 ft city elevation Suffer Better 10th Annual Fall Trail Runs
Staunton State Park, Pine, CO
50K · Other
Avg 61° / 26°·8,109 ft city elevation Avg 61° / 26°8,109 ft city elevation Indian Creek Trail Runs
2499 Pine Creek Rd, Sedalia, CO
Ultra · Other
Avg 64° / 35°·8,061 ft city elevation Avg 64° / 35°8,061 ft city elevation Blue Sky Trail Marathon & Half Marathon
4780 W County Rd 38e, Fort Collins, CO
Marathon · Other
Avg 64° / 36°·4,989 ft city elevation Avg 64° / 36°4,989 ft city elevation November 2026 Colorado Trail Running Races
1 upcoming Trail Running race in Colorado in November.
HRCA Backcountry Wilderness Half Marathon
11033 Monarch Blvd, Lone Tree, CO
Half Marathon
Avg 56° / 29°·5,837 ft city elevation Avg 56° / 29°5,837 ft city elevation December 2026 Colorado Trail Running Races
1 upcoming Trail Running race in Colorado in December.
Sawmill Trail Runs
12102 S Elk Creek Rd, Pine, CO
8 Mile · 50K · Other
Avg 38° / 10°·8,109 ft city elevation Avg 38° / 10°8,109 ft city elevation February 2027 Colorado Trail Running Races
1 upcoming Trail Running race in Colorado in February.
Stories Trail Runs
410 JL Ranch Heights Rd, Colorado Springs, CO
Half Marathon · Other
Avg 45° / 19°·6,118 ft city elevation Avg 45° / 19°6,118 ft city elevation March 2027 Colorado Trail Running Races
1 upcoming Trail Running race in Colorado in March.
22nd Annual Run Through Time Trail Marathon and Half Marathon
210 East Sackett Avenue, Salida, CO
2 Mile / 3K · Half Marathon · Marathon
Avg 53° / 20°·7,090 ft city elevation Avg 53° / 20°7,090 ft city elevation May 2027 Colorado Trail Running Races
1 upcoming Trail Running race in Colorado in May.
Endure Trail Runs
Mueller State Park - Pisgah Point Group Camping Area, Divide, CO
Marathon · Other
Avg 56° / 31°·9,061 ft city elevation Avg 56° / 31°9,061 ft city elevation June 2027 Colorado Trail Running Races
1 upcoming Trail Running race in Colorado in June.
Summits Trail Runs
1000 Village Rd, Granby, CO
10K · Ultra · Other
Avg 68° / 36°·7,960 ft city elevation Avg 68° / 36°7,960 ft city elevation