home |

Colorado Trail Races



Sort By

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  
February Powder and Porters Winter Trail Run 4.5 mi CO, United States Evergreen  
February Old Man Winter Rally 10 km CO, United States Lyons  
February Old Man Winter Bike Rally and Run 10 km, 5 km CO, United States Lyons  
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 Desert RATS Trail Running Festival 13.1 mi CO, United States Fruita  
April Desert RATS Trail Running Festival 50 km, 26.2 mi, 13.2 mi, 10 km CO, United States Fruita  
April Rattler Trail Race 50 km, 25 km, 10 km CO, United States Colorado Springs  
April Colorado Trailfest 4.3 mi CO, United States Rifle  
April Royal Gorge Groove Trail Runs 50 km, 30 km, 20 km, 12.5 km, 5 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 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  
May Fear the Deer trail 1/2 marathon 13.1 mi CO, United States Littleton  
May Cheyenne Mountain Ultra 10x5k 50 km, 5 km CO, United States Colorado Springs  
May Collegiate Peaks Trail Run 50 mi, 25 mi CO, United States Buena Vista  
May Fruita Trail Half 13.8 mi CO, United States Fruita  
May Quad Rock 50/25mi 50 mi, 25 mi CO, United States Fort Collins  
May Adventurefest 13.8 mi CO, United States Fruita  
May Valkyrie Trail Race 50 km, 26.2 mi, 30 km, 13.1 mi, 8 mi, 4 mi CO, United States Colorado Springs  
May Dynafit Boneyard Boogie 14k & 6k 14.5 km, 6 km CO, United States Eagle  
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 Leadville Trail Heavy Half Marathon 15 mi CO, United States Leadville  
June Ragnar Trail Snowmass, Presented by Salomon 120 mi CO, United States Aspen  
June Part to Art Race 13.1 mi, 6.2 mi, 3.1 mi CO, United States Meeker  
June Golden Gate Dirty 30 50 km CO, United States Gilpin County  
June Summit Trail Running Series Race #1 7 km, 4 km CO, United States Breckenridge  
June Summit Trail Running Series #2 5 km CO, United States Breckenridge  
June Crazy Legs 10k Trail Run 10 km CO, United States Loveland  
June Dynafit Summer Solstice Trail Run 10 km, 5 km CO, United States Beaver Creek  
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 Living Journeys Half Marathon 13.1 mi CO, United States Crested Butte  
July Under Armour Mountain Running Series - Copper 50 km, 25 km, 10 km, 5 km CO, United States Frisco  
July Never Summer 100k/60k 103 km, 61 km CO, United States Gould  
July Summit Trail Running Series Race #3 7 km, 5 km CO, United States Breckenridge  
July Summit Trail Running Series Race #4 14 km, 6 km CO, United States Breckenridge  
July Breckenridge Independence Day 10K Trail Run 10 km CO, United States Breckenridge  
July Pikes Peak Ultra 50 mi, 50 km, 30 km, 20 km CO, United States Colorado Springs  
July Fox on the Run Trail Races 10 mi, 5 mi CO, United States Pagosa Springs  
July Dynafit Vail HillClimb 7.7 mi CO, United States Vail  
July Dynafit 5k &10k at 10,000 Feet 10 km, 5 km CO, United States Vail  
August Leadville Trail 100 100 mi CO, United States Leadville  
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 #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  
August Moonshadow Half Marathon and 10k 13.1 mi, 10 km CO, United States Colorado Springs  
August Honey Stinger Emerald Mountain Epic 26.2 mi CO, United States Steamboat Springs  
August Silverton Ultra Dirty 100 mi, 100 km, 60 km CO, United States Silverton  
August Lory Summer Trail Series 12 km, 10 km, 5 km, 5 km CO, United States Fort Collins  
August Staunton Rocks! Marathon & Half 26.2 mi, 13.1 mi CO, United States Pine  
August Summit Trail Running Series Race #5 11 km, 7 km CO, United States Breckenridge  
August Summit Trail Running Series Race #6 14 km, 8 km CO, United States Breckenridge  
August Kokopelli Classic 13.1 mi, 8 mi, 5 km, 0 mi CO, United States Fruita  
August Wildcat Mountain Trail Races - 10K/10M 10 mi, 10 km CO, United States Littleton  
August New Castle Dirty Dozen Trail 10K 10 km CO, United States New Castle  
August Turkey Springs Showdown Trail Races 13.1 mi, 10 km CO, United States Pagosa Springs  
August Dynafit Berry Picker Trail Run 4.6 mi CO, United States Vail  
August Dynafit Arrowhead Half Marathon & 5k 13.1 mi, 5 km CO, United States Edwards  
September Pikes Peak Ascent 13.3 mi CO, United States Manitou Springs  
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 Frisco Fall Trail Running Festival - Runner Reports 12 mi, 6 mi CO, United States Frisco  
September Imogene Pass Trail Run - Runner Reports 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 Grand Traverse Mountain Run 40 mi CO, United States Crested Butte  
September Run Rabbit Run 100 mi, 50 mi CO, United States Steamboat Springs  
September Breckenridge Falling Leaves 7K Trail Run 7 km CO, United States Breckenridge  
September Rocky Mountain trail and ultra running camp 20 mi CO, United States Idaho Springs  
September The Dam Run at Castlewood Canyon 10 km CO, United States Castle Rock  
September Beulah Challenge Trail Half Marathon 13.1 mi, 10 km, 5 km CO, United States Beulah  
September Imogene Pass Trail Run 17.1 mi CO, United States Ouray  
September Black Squirrel Half Marathon 13.3 mi CO, United States Fort Collins  
September Mountain RATS 50 km, 26 mi, 14.4 mi CO, United States Eagle  
September Crested Butte Ultra 50 mi, 55 km, 33 km CO, United States Crested Butte  
September 24 Hours of Palmer Lake 82 km CO, United States Palmer Lake  
September West Line Winder 50 km, 30 km CO, United States Buena Vista  
September Sawatch Ascent 50 km CO, United States Buena Vista  
September Alberta Peak Challenge 12 mi, 4 mi CO, United States Pagosa Springs  
September Dynafit Meadowgold 5k & 10k 10 km, 5 km CO, United States Minturn  
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  
October John Wayne Grit Series True Grit Anniversary 10K 10 km CO, United States Montrose  
October Blue Sky Trail Marathon 26.7 mi CO, United States Fort Collins  
October The bRUNch Trail Run 15 km, 5 km CO, United States Beaver Creek  
October Bobcat Trail Race 50 km, 25 km, 10 km, 5 km CO, United States Colorado Springs  
October Cart to Cart Trail Race 19 mi, 10 mi CO, United States Crested Butte  
November Trail Apples 4, 8, or 12 miles 12 mi CO, United States Littleton  
November Backcountry Wilderness Half Marathon 13.1 mi CO, United States Littleton  
November Kessel Run Ultra 50 mi, 60 km, 20 mi, 10 mi CO, United States Fruita  


back to main trail races page