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Get the appColorado has 78 upcoming Trail running events across distances like 5K, 8K, 9K, 10K, 13K, 15K, 16K, 17K, 20K, 21K, 23K, 24K, 25K, 30K, 31K, 34K, 35K, 40K, 42K, 43K, 47K, 50K, 53K, 56K, 61K, 62K, 64K, 80K, 82K, 85K, 87K, 102K, 108K, 161K, 163K, 171K. Recent additions include Race in the Clouds - Alma Dirt Festival 2026, Race in the Clouds - Alma Dirt Festival 2026, 2026 Life Time Leadville Trail Marathon and Heavy Half presented by La Sportiva.
78 events
27
Race in the Clouds - Alma Dirt Festival 2026
Sat, Jun 27, 2026Alma, United States
27
Race in the Clouds - Alma Dirt Festival 2026
Sat, Jun 27, 2026Alma, United States
27
2026 Life Time Leadville Trail Marathon and Heavy Half presented by La Sportiva
Sat, Jun 27, 2026Leadville, United States
28
Blue Sky Ascent & Round Trip
Sun, Jun 28, 2026Idaho Springs, United States
2
Durango Brewer's Trail Series
Thu, Jul 2, 2026Durango, United States
10
Silverheels Trail Runs
Fri, Jul 10, 2026Como, United States
11
Grin & Bear It
Sat, Jul 11, 2026Crested Butte, United States
11
Akron Trail Marathon
Sat, Jul 11, 2026Akron, United States
11
Grin & Bear It
Sat, Jul 11, 2026Crested Butte, United States
11
2026 Life Time Silver Rush Run Events presented by La Sportiva
Sat, Jul 11, 2026Leadville, United States
16
Run Rocky Trails Camp
Thu, Jul 16, 2026Estes Park, United States
17
Ouray 100 Mile Endurance Run
Fri, Jul 17, 2026Ouray, United States
17
High Lonesome 100
Fri, Jul 17, 2026Nathrop, United States
17
High Lonesome 100
Fri, Jul 17, 2026Nathrop, United States
18
Powderhorn Mountain Trail Climb 5k & 15k
Sat, Jul 18, 2026Mesa, United States
18
Audi Power of Four Trail Run
Sat, Jul 18, 2026Aspen, United States
18
Spring Creek Memorial Trail Run
Sat, Jul 18, 2026Steamboat Springs, United States
18
A Midsummer's Night Scream
Sat, Jul 18, 2026Lakewood, United States
19
TransRockies Run - Pass to Pub
Sun, Jul 19, 2026Leadville, United States
19
Barr Trail Mountain Race
Sun, Jul 19, 2026Manitou Springs, United States
25
Creede 100
Sat, Jul 25, 2026Creede, United States
25
Box Canyon Trail Races
Sat, Jul 25, 2026Telluride, United States
25
Staunton 10 Mile Trail Race
Sat, Jul 25, 2026Pine, United States
25
Beas Knees Citizens' Race and National High School Trail Championships
Sat, Jul 25, 2026Salida, United States
26
World Championship Pack Burro Race
Sun, Jul 26, 2026Fairplay, United States
1
Kennebec Mountain Run
Sat, Aug 1, 2026Hesperus, United States
1
Sheep Mountain Trail Runs
Sat, Aug 1, 2026Fairplay, United States
1
Crooked Gravel
Sat, Aug 1, 2026Winter Park, United States
1
Philmont Trail Race
Sat, Aug 1, 2026Cimarron, United States
1
Winter Park 50K
Sat, Aug 1, 2026Winter Park, United States
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