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Colorado Trail Races



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Month Race Name Events Location Near  
January Beaver Creek Snowshoe Series Race #1 10 km, 5 km CO, United States Beaver Creek  
February Beaver Creek Snowshoe Series Race #2 10 km, 5 km CO, United States Beaver Creek  
March Beaver Creek Snowshoe Series Race #3 10 km, 5 km CO, United States Beaver Creek  
April Desert R.A.T.S. Marathon/50K 50 km, 26.2 mi CO, United States Fruita  
April Desert R.A.T.S. 10K/13.1 Mile 13.1 mi, 10 km CO, United States Fruita  
April Rattler Trail Race 50 km, 25 km, 10 km CO, United States Colorado Springs  
May Sky Mesa Pass Trail Marathon 26.2 mi CO, United States Grand Junction  
May The Sage Burner 50 km, 25 km CO, United States Gunnison  
May Greenland Trail 50K, 25K, 8M 50 km, 25 km, 8 mi CO, United States Larkspur  
May The Beer Relay 6 mi CO, United States Lyon's  
May Rabbit Valley Half 13.1 mi CO, United States Fruita  
May NORAD Trail Race 13.1 mi, 8 mi, 4 mi CO, United States Colorado Springs  
May Fear the Deer trail 1/2 marathon 13.1 mi CO, United States Littleton  
May SAGE Spring Run-Off Trail Race 10 mi, 5 mi CO, United States Wolcott  
May Boulder Mountain Marathon and 10-mile Ascent 26.2 mi, 10 mi CO, United States Gold Hill  
June NIKE Summit Trail Running Series #5 - Bakers Tank 9 km, 4 km CO, United States Breckenridge  
June San Juan Solstice 50 50 mi CO, United States Lake City  
June Turquoise Lake Half Marathon 13.1 mi CO, United States Leadville  
June Hardscrabble Mountain Trail Run 45 km, 10 km, 5 km CO, United States Colorado Springs  
June Hardscrabble Mountain Trail Run - Runner Reports 45 km, 10 km, 5 km CO, United States Colorado Springs  
June Leadville Trail 100 Training Camp 58 mi CO, United States Leadville  
June Turkey Track Trail Marathon (& half) 26.2 mi CO, United States Pagosa Springs  
June Run For Aurora 50K and 50 Mile 50 mi CO, United States Denver  
June North Fork 50 50 mi, 50 km CO, United States Pine  
June Mueller Marathon 26.2 mi, 25 km CO, United States Divide  
June High Drive Challenge 10 mi, 4 mi CO, United States Colorado Springs  
June Summit Trail Running Series Race #1 8 km, 5 km CO, United States Breckenridge  
June Summit Trail Running Series Race #2 7 km, 4 km CO, United States Breckenridge  
June Leadville Trail Heavy Half Marathon 15 mi CO, United States Leadville  
June Ragnar Trail Snowmass, Presented by Salomon 120 mi CO, United States Aspen  
July Hardrock 100 Endurance Run 100 mi CO, United States Silverton  
July Leadville Trail Marathon 26.2 mi CO, United States Leadville  
July Leadville Silver Rush 50 Trail Run 50 mi CO, United States Leadville  
July Tecnica "Catch Me if You Can" Challenge 8 mi CO, United States Breckenridge  
July Grin and Bear It Trail Run 15 km CO, United States Crested Butte  
July Pikes Peak Ultra 50 mi, 28 km CO, United States Colorado Springs  
July Summit Trail Running Series Race #3 9 mi, 4 mi CO, United States Breckenridge  
July Summit Trail Running Series Race #4 14 mi, 6 mi CO, United States Breckenridge  
July Breckenridge Independence Day 10K Trail Run 10 km CO, United States Breckenridge  
July Living Journeys Half Marathon 13.1 mi CO, United States Crested Butte  
August Leadville Trail 100 100 mi CO, United States Leadville  
August Pikes Peak Ascent 13.3 mi CO, United States Manitou Springs  
August 10,000 Meters at 10,000 Feet Run 10 km CO, United States Steamboat Springs  
August Leadville Trail10k Run 10 km CO, United States Leadville  
August Mountain Chile Cha Cha 15 mi, 7 mi, 5 km CO, United States Pagosa Springs  
August Aspen Backcountry Marathon 26.2 mi CO, United States Aspen  
August The Mountain Ultra 220 km CO, United States Crested Butte  
August Summit Trail Running Series Race #5 14 mi, 8 mi CO, United States Breckenridge  
August Summit Trail Running Series Race #6 11 km, 7 km CO, United States Breckenridge  
August Breckenridge Hunky Dory Half Marathon 13.1 mi CO, United States Breckenridge  
August XTERRA Trail Run Castle Rock 20 km CO, United States Castle Rock  
September Creede Mountain Runs 22 mi, 12 mi, 2 mi CO, United States Creede  
September American Discovery Trail Marathon, Half Marathon & 5K 26.2 mi, 13.1 mi, 5 km CO, United States Colorado Springs  
September Sombrero Ranch Roundup 4.5 mi CO, United States Estes Park  
September Golden Leaf Half Marathon 13.1 mi CO, United States Aspen  
September Boulder Backroads Marathon & Half Marathon 26.2 mi, 13.1 mi CO, United States Boulder  
September Frisco Fall Trail Running Festival 12 mi, 6 mi CO, United States Frisco  
September Imogene Pass Trail Run 17.1 mi CO, United States Ouray  
September Lead King Loop 25 km, 12.5 km CO, United States Marble  
September Breck Crest 23 mi, 13.3 mi, 10 km CO, United States Breckenridge  
September Vail Victory Trail Marathon 26.2 mi CO, United States Vail  
September Bobcat Trail Race 50 km, 25 km, 10 km CO, United States Colorado Springs  
September Mountain RATS 50 km CO, United States Eagle  
September Grand Traverse Mountain Run 40 mi CO, United States Crested Butte  
September Run Rabbit Run 100 mi, 50 mi CO, United States Steamboat Springs  
October 24 Hours of Boulder...the Run 100 mi, 50 km CO, United States Boulder  
October Devil Mountain 50 mi, 50 km, 13.1 mi CO, United States Pagosa Springs  
October XTERRA Marathon Of Trail Races 26.2 mi, 13.1 mi, 5 mi CO, United States Colorado Springs  
October Rocky Mountain Brew runs: trails, views and brews 4.5 mi CO, United States Golden  


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