All races in Colorado
Upcoming trail races in Colorado
78 trail races are coming up in Colorado, out of 260 races on the statewide calendar. Compare dates, distances and locations, then get ready with a personalized training plan.
78 upcoming races
September 2026
- Sep 15, 2026Leadville Trail 100 Run📍 Leadville, CO100 mi
- Sep 18, 2026Run Rabbit Run 100📍 Steamboat Springs, CO50 mi · 100 mi
- Sep 18, 2026Run Rabbit Run📍 Steamboat Springs, CO100 mi · 50 mi
- Sep 19, 2026Ouray Mountain Trail Run📍 Ouray, CO13 mi
- Sep 25, 2026Red Feather Trail Jamboree📍 Red Feather Lakes, CO13.1 mi · 50 mi
- Sep 26, 2026Sangre de Cristo Ultras📍 Westcliffe, CO100 mi · 61 mi · 50 mi · 30.8 mi
- Sep 26, 2026Crested Butte Ultra📍 Crested Butte, CO21.7 mi · 34.2 mi · 50 mi
- Sep 26, 2026Deep Creek Trail 1/2 Marathon📍 Telluride, CO13.1 mi
- Sep 26, 2026Golden Leaf Half Marathon📍 Aspen, CO13.1 mi
- Sep 26, 2026Sangre de Cristo Trail Festival📍 Westcliffe, CO8 mi · 16.8 mi · 31.1 mi · 50 mi
- Sep 26, 2026West Line Winder - 50K & 30K📍 Buena Vista, CO18.6 mi · 31.1 mi
- Sep 26, 2026WILD Wahatoya Runs📍 La Veta, CO8 mi · 13.1 mi · 31.1 mi
- Sep 26, 2026Estes Epic📍 Estes Park, CO31 mi · 15 mi
- Sep 26, 2026Mountain Marmot📍 Durango, CO12 mi
- Sep 26, 2026Outlast Colorado Springs📍 Colorado Springs, CO18 mi
- Sep 27, 202614er Fest Running Races📍 Buena Vista, CO8.7 mi · 3.1 mi
- Sep 27, 2026Greenland Open Space Pack Burro Races📍 Palmer Lake, CO8 mi · 3 mi
October 2026
- Oct 3, 2026Emerald Mountain Trail Run📍 Steamboat Springs, CO4 mi · 8 mi
- Oct 3, 2026Sage Burner Trail Races📍 Gunnison, CO9.3 mi · 17.4 mi · 31.1 mi
- Oct 3, 2026The Bear Chase Race📍 Lakewood, CO3.1 mi · 6.2 mi · 13.1 mi · 31.1 mi
- Oct 3, 2026Above the Clouds Ultra📍 Woodland Park, CO6.2 mi · 31.1 mi
- Oct 3, 2026Outlast Denver📍 Littleton, CO6 h
- Oct 4, 2026Rubey Rescue Run📍 Aspen, CO3.1 mi
- Oct 10, 2026Rocky's Backyard Ultra📍 Estes Park, CO
- Oct 17, 2026Blue Sky Trail Marathon & Half Marathon📍 Fort Collins, CO13.8 mi · 26.7 mi
- Oct 17, 2026Indian Creek Trail Runs📍 Sedaila, CO5.5 mi · 15 mi · 35 mi · 54 mi
- Oct 17, 2026Chili Chase📍 Durango, CO6.5 mi
- Oct 19, 2026Blue Sky Trail Marathon📍 Fort Collins, CO26.8 mi · 13.5 mi
- Oct 24, 2026Bridge Burner Ultra📍 Cañon City, CO6.2 mi · 21.7 mi · 31.1 mi · 35 mi
- Oct 24, 2026McGraw Memorial Park "Quick Draw @ McGraw" 2 Mile Trail Race📍 Bailey, CO2 mi
November 2026
- Nov 7, 2026HRCA Backcountry Wilderness Half Marathon📍 Lone Tree, CO13.1 mi
- Nov 14, 2026Louisville Trail Race📍 Louisville, CO3.1 mi · 6.2 mi · 13.1 mi
- Nov 14, 2026Lone Tree Reckoning Half and 5K📍 Loveland, CO13 mi
December 2026
- Dec 5, 2026Sawmill Trail Runs📍 Pine, CO16.1 mi · 8.1 mi
- Dec 13, 2026Waverly Winter Warrior📍 Louisville, CO6.6 mi · 13.1 mi
April 2027
- Apr 9, 2027Desert R.A.T.S. Trail Running Festival📍 Fruita, CO62.1 mi · 29.8 mi · 13.1 mi · 5.6 mi
- Apr 10, 2027Trail Running Festival Desert Rats by UTMB®📍 Fruita, CO62.1 mi · 31.1 mi · 13 mi · 6.2 mi
- Apr 17, 2027Rattler Trail Race📍 Colorado Springs, CO31.1 mi · 15.5 mi · 6.2 mi · 3.1 mi
May 2027
- May 1, 2027Greenland Trail Races📍 Palmer Lake, CO4 mi · 8 mi · 15.5 mi · 31.1 mi
- May 1, 2027Nielson Challenge July📍 Colorado Springs, CO2 mi
- May 29, 2027North Fork 50K Trail Race📍 Pine Grove, CO31.1 mi · 50 mi
June 2027
- Jun 2, 2027Turquoise Lake Road & Trail Run📍 Leadville, CO12.4 mi
- Jun 3, 2027Vail Ultra Benefiting For The Fallen📍 Vail, CO50 mi
- Jun 15, 2027Frisco Mountain Goat Kids Trail Running Series📍 Frisco, CO3.1 mi · 804.67 m · 1.5 mi · 1.6 mi
July 2027
- Jul 2, 2027The Rundola📍 Telluride, CO0.9 mi
- Jul 3, 2027Hahn’s Peak Hill Climb📍 Steamboat Springs, CO8 mi
- Jul 3, 2027Vail HillClimb Trail Run📍 Vail, CO6.8 mi
- Jul 9, 2027Chase the Moon📍 Highlands Ranch, CO31.1 mi · 3 h · 6 h · 12 h
- Jul 9, 2027Hardrock Hundred Mile Endurance Run📍 Silverton, CO100 mi
- Jul 10, 2027Leadville Silver Rush Trail Run📍 Leadville, CO50 mi · 14.9 mi
- Jul 11, 2027Evergreen Mountain Trail Race📍 Evergreen, CO9.3 mi
- Jul 11, 2027Crag Crest Trail Run📍 Grand Junction, CO10.6 mi
- Jul 13, 2027Frisco Mountain Goat Kids Trail Running Series #3📍 Frisco, CO1.6 mi · 3.1 mi · 800 m
- Jul 14, 2027Tom’s Baby Turnaround Summit Trail Running Series Race #4📍 Breckenridge, CO3.7 mi · 7.5 mi
- Jul 16, 2027Ouray 100 Mile Endurance Run📍 Ouray, CO100 mi · 50 mi
- Jul 16, 2027High Lonesome 100 Mile📍 Mount Lincoln, CO100 mi
- Jul 17, 2027Audi Power of Four Trail Run📍 Aspen, CO6.2 mi · 15 mi · 31 mi
- Jul 17, 2027Spring Creek Memorial Trail Run📍 Steamboat Springs, CO3.1 mi
- Jul 17, 202710K and 5K at 10,000 Feet📍 Vail, CO6.2 mi · 3.1 mi
- Jul 17, 2027Powderhorn Mountain Ultra, Vertical Challenge and relay📍 Mesa, CO360 m · 720 m · 6.2 mi
- Jul 18, 2027Barr Trail Mountain Race📍 Manitou Springs, CO12.6 mi
- Jul 18, 2027Kendall Mountain Run📍 Silverton, CO6.8 mi · 12 mi
- Jul 18, 2027Victor Gold Rush Days Pack Burro Race📍 Victor, CO6.8 mi
- Jul 18, 2027Elevate Mountain Running Camp📍 Steamboat Springs, CO4.5 mi
- Jul 23, 2027Blue Moon Trail📍 Colorado Springs, CO3.1 mi · 6.2 mi
- Jul 23, 2027Never Summer Dirty Double📍 Gould, CO37.3 mi · 62.1 mi
- Jul 26, 2027The Summit 200📍 Frisco, CO200 mi
- Jul 26, 2027TransRockies Run📍 Buena Vista, CO
- Jul 30, 2027Never Summer 100km & 60km📍 Walden, CO37.3 mi · 62.1 mi
- Jul 30, 2027Middle Creek Flyathlon📍 Saguache, CO13 mi · 7 mi
- Jul 31, 2027Berry Picker Trail Run📍 Vail, CO4.6 mi
August 2027
- Aug 1, 2027Emerald Mountain Epic📍 Steamboat Springs, CO13.1 mi · 26.2 mi
- Aug 1, 2027Two Brothers Up-and-Down📍 Idaho Springs, CO6.2 mi · 3.1 mi
- Aug 6, 2027High Five 100📍 Lake City, CO100 mi
- Aug 7, 2027Volcanic 50📍 Marble Mountain Sno-Park, CO32.4 mi · 14.9 mi
- Aug 7, 2027Kennebec Mountain Run📍 Hesperus, CO15 mi
- Aug 13, 2027San Juan Softie 100📍 Durango, CO100 mi
- Aug 13, 2027Pikes Peak Marathon & Ascent Training Camp📍 Manitou Springs, CO26.1 mi
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