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Ultra Marathons Near Colorado
Showing the next 50 runs that match your filters
Featured
Ogden Marathon
Downhill & Fast Boston Qualifier!
Date: May 15, 2027 - Saturday
Size: 5,000 - 10,000 participants
Location: Ogden, Utah
Featured
Pumpkin Pie 5K/10K
Festive high-energy morning! 🦃
Date: Nov 21, 2026 - Saturday
Size: 1,000 - 5,000 participants
Location: Denver, Colorado
Colorado Cold Rush
Date: Nov 21, 2026 - Saturday
Size: 100 - 500 participants
Location: Colorado Springs, Colorado
Stories Ultra
Date: Feb 6-7, 2027 - Saturday to Sunday
Size: 100 - 500 participants
Location: Colorado Springs, Colorado
NoCo Urban Ultra & Relay
Date: Apr 11, 2027 - Sunday
Size: 1 - 100 participants
Location: Greeley, Colorado
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Rattler Trail Race
Date: Apr 17, 2027 - Saturday
Size: 100 - 500 participants
Location: Colorado Springs, Colorado
Royal Gorge Groove Trail Runs
Date: Apr 24, 2027 - Saturday
Size: 100 - 500 participants
Location: Cañon City, Colorado
Greenland Trail Races
Date: May 1, 2027 - Saturday
Size: 500 - 1,000 participants
Location: Larkspur, Colorado
Collegiate Peaks Trail Run
Date: May 1, 2027 - Saturday
Size: 100 - 500 participants
Location: Buena Vista, Colorado
Valkyrie Trail Race
Date: May 8, 2027 - Saturday
Size: 100 - 500 participants
Location: Colorado Springs, Colorado
Quad Rock 50
Date: May, 2027 (TBD)
Size: 100 - 500 participants
Location: Bellvue, Colorado
Ram Party Trail Runs
Date: May 15, 2027 - Saturday
Size: 100 - 500 participants
Location: Colorado Springs, Colorado
North Fork Ultras
Date: May 22, 2027 - Saturday
Size: 100 - 500 participants
Location: Pine, Colorado
Samson's Revenge Trail Race
Date: May 22, 2027 - Saturday
Size: 100 - 500 participants
Location: Estes Park, Colorado
Colorado Springs Spartan Weekend
Date: May 29-30, 2027 - Saturday to Sunday
Size: 500 - 1,000 participants
Location: Colorado Springs, Colorado
Ragnar Trail Colorado
Date: Jun, 2027 (TBD)
Size: 1,000 - 5,000 participants
Location: Snowmass Village, Colorado
Weld Your Mettle Running Festival
Date: Jun 5-6, 2027 - Saturday to Sunday
Size: 100 - 500 participants
Location: Eaton, Colorado
Barr Lake Trail Race
Date: Jun 5, 2027 - Saturday
Size: 100 - 500 participants
Location: Commerce City, Colorado
Great Divide Ultra
Date: Jun, 2027 (TBD)
Size: 100 - 500 participants
Location: Teller County, Colorado
Ring the Springs
Date: Jun 19, 2027 - Saturday
Size: 100 - 500 participants
Location: Colorado Springs, Colorado
Estes Park's Backyard Ultra Race
Date: Jun, 2027 (TBD)
Size: 1 - 100 participants
Location: Estes Park, Colorado
Hardrock 100 Endurance Run
Date: Jul 9, 2027 - Friday
Size: 100 - 500 participants
Location: Silverton, Colorado
The Silverheels Trail Runs
Date: Jul 9-10, 2027 - Friday to Saturday
Size: 100 - 500 participants
Location: Como, Colorado
Silver Rush 50
Date: Jul 10, 2027 - Saturday
Size: 500 - 1,000 participants
Location: Leadville, Colorado
Ouray 100 and 50 Mile Endurance Run
Date: Jul 16-18, 2027 - Friday to Sunday
Size: 1 - 100 participants
Location: Ouray, Colorado
High Lonesome 100
Date: Jul 16-17, 2027 - Friday to Saturday
Size: 1 - 100 participants
Location: Salida, Colorado
Skunk Hollow Sneaker Chase
Date: Jul, 2027 (TBD)
Size: 100 - 500 participants
Location: Casper, Wyoming
Pikes Peak Ultra
Date: Jul 24, 2027 - Saturday
Size: 100 - 500 participants
Location: Colorado Springs, Colorado
Never Summer 100K & 60K
Date: Jul 30-Aug 1, 2027 - Friday to Sunday
Size: 100 - 500 participants
Location: Walden, Colorado
Aspen Backcountry
Date: Jul 31, 2027 - Saturday
Size: 100 - 500 participants
Location: Aspen, Colorado
Sheep Mountain Ultras
Date: Aug 7, 2027 - Saturday
Size: 100 - 500 participants
Location: Fairplay, Colorado
Westminster Trail Races
Date: Aug 7, 2027 - Saturday
Size: 100 - 500 participants
Location: Westminster, Colorado
Chase the Moon 12 Hour Endurance Run
Date: Aug 14, 2027 - Saturday
Size: 500 - 1,000 participants
Location: Highlands Ranch, Colorado
Leadville Trail 100 Run
Date: Aug 21, 2027 - Saturday
Size: 500 - 1,000 participants
Location: Leadville, Colorado
Telluride Mountain Run
Date: Aug 28-29, 2027 - Saturday to Sunday
Size: 1 - 100 participants
Location: Telluride, Colorado
Rock Hawk
Date: Aug 28, 2027 - Saturday
Size: 500 - 1,000 participants
Location: Castle Rock, Colorado
Continental Divide Trail Run
Date: Aug, 2027 (TBD)
Size: 100 - 500 participants
Location: Steamboat Springs, Colorado
Devil on the Divide
Date: Sep, 2027 (TBD)
Size: 100 - 500 participants
Location: Idaho Springs, Colorado
Run Rabbit Run
Date: Sep 17-18, 2027 - Friday to Saturday
Size: 100 - 500 participants
Location: Steamboat Springs, Colorado
Snow Mountain Ranch Trail Running Festival
Date: Sep 18, 2027 - Saturday
Size: 100 - 500 participants
Location: Grand Lake, Colorado
24 Hours of Palmer Lake
Date: Sep 25, 2027 - Saturday
Size: 100 - 500 participants
Location: Palmer Lake, Colorado
Sangre de Cristo Ultras
Date: Sep 25-26, 2027 - Saturday to Sunday
Size: 100 - 500 participants
Location: Westcliffe, Colorado
Red Feather Trail Jamboree
Date: Sep, 2027 (TBD)
Size: 100 - 500 participants
Location: Goodell Corner, Colorado
Crested Butte Ultra
Date: Sep, 2027 (TBD)
Size: 100 - 500 participants
Location: Crested Butte, Colorado
Wild Wahatoya Runs
Date: Sep, 2027 (TBD)
Size: 100 - 500 participants
Location: La Veta, Colorado
Estes Epic Ultra Run & MTB Race
Date: Sep, 2027 (TBD)
Size: 100 - 500 participants
Location: Estes Park, Colorado
Mainly Marathons Center of the Nation Series - Day 1
Date: Sep 27, 2027 - Monday
Size: 1 - 100 participants
Location: Cheyenne, Wyoming
Race The Ranch Snowshoe Ultra
Date: Sep, 2027 (TBD)
Size: 1 - 100 participants
Location: Granby, Colorado
The Bear Chase
Date: Oct 2-4, 2027 - Saturday to Monday
Size: 100 - 500 participants
Location: Lakewood, Colorado
Sage Burner Trail Races
Date: Oct, 2027 (TBD)
Size: 100 - 500 participants
Location: Gunnison, Colorado
Rocky's Backyard Ultra Race
Date: Oct, 2027 (TBD)
Size: 1 - 100 participants
Location: Estes Park, Colorado
Indian Creek Trail Runs
Date: Oct 16, 2027 - Saturday
Size: 100 - 500 participants
Location: Pine Nook, Colorado
