Trails in Colorado
Practical information and trail calendar in Colorado
49
Races
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Coming soon
Upcoming trails in Colorado
Trail
Tue, Jun 17 ➜ Tue, Jul 29, 2025Date confirmed
Frisco Mountain Goat Kids Trail Running Series
Frisco(CO)800 m2.5 km5 km
Trail
Fri, Jul 18 ➜ Sun, Sep 14, 2025Date confirmed
Ouray 100 Mile Endurance Run
Ouray(CO)83.8 km164 km
🏅 UTMB® World Series
Trail
Sun, July 20, 2025Date confirmed
Kendall Mountain Run
Silverton(CO)19 km11 km
Trail
Sun, July 20, 2025Date confirmed
Victor Gold Rush Days Pack Burro Race
Victor(CO)11 km
Should it rain or snow
Trail Agenda in Colorado
Quickly glance at the full trail calendar in Colorado
July 20257 races
- Ouray 100 Mile Endurance Run
- Victor Gold Rush Days Pack Burro Race
- Barr Trail Mountain Race
- Kendall Mountain Run
- Blue Moon Trail
- Never Summer Dirty Double
- Never Summer 100k & 60k
August 202510 races
- Middle Creek Flyathlon
- Volcanic 50
- Sheep Mountain
- SHEEP MOUNTAIN TRAIL RUNS
- Two Brothers Up-and-Down
- TransRockies Run
- Silverton Ultra Dirty
- Pikes Peak Marathon & Ascent Training Camp
- Snowmass Tree-O
- High Five 100
September 20252 races
October 20251 race
April 20261 race
May 20264 races
June 20262 races
July 202620 races
- The Rundola
- Vail HillClimb Trail Run
- Hahn’s Peak Hill Climb
- Chase the Moon
- Silverheels 100
- Hardrock 100
- Silverheels Endurance Run
- Leadville Silver Rush Trail Run
- Silver Rush 50 Run
- Crag Crest Trail Run
- Evergreen Mountain Trail Race
- Frisco Mountain Goat Kids Trail Running Series #3
- Tom’s Baby Turnaround Summit Trail Running Series Race #4
- High Lonesome 100 Mile
- Audi Power of Four Trail Run
- Aspen Valley Marathon
- Powderhorn Mountain Ultra, Vertical Challenge and relay
- 10K and 5K at 10,000 Feet
- Spring Creek Memorial
- Silverton Alpine
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