Trail run clubs
in Denver–Boulder.
11 Trail run clubs meet in Denver–Boulder.
6 clubs run on Thursday.
2 clubs meet in South Boulder.
11 of the 33 run clubs across Denver–Boulder. Browse by day or vibe above the list.
Browse by day
Each day is its own page of Denver–Boulder clubs. Clear comes back to all 33.
Browse by vibe
Each vibe is its own page of Denver–Boulder clubs — pick the scene you want.
11 clubs in 🌿 Trail · Denver–Boulder
Boulder · South Boulder · Sun · 8:00 AM
Boulder Road Runners
A 40-plus-year Boulder club with a Sunday social run and walk from the East Boulder Community Center — road and dirt-trail route options of every length, with snacks and coffee after. Seasonal 8:00 AM (summer) / 9:00 AM (winter) start.
🎉 Social Scene🤝 Community First🌿 TrailRoadTrailBoulder · City-wide · Sun · 7:30 AM
Boulder Track Club
A Boulder 501(c)(3) club founded in 2011, open with no time standards to join — a Sunday ~12-mile long run from rotating trailheads, plus coached weekday track sessions as a paid add-on. Road, trail and ultra.
⚡ PR Chasers🌿 Trail🤝 Community FirstRoadTrailBoulder · City-wide · Thu, Tue, Wed, Sun
Boulder Trail Runners
A Boulder trail-running club, most runs no-drop and all speeds: the Thursday Happy Hour Run (going since the ’90s), a Tuesday night run, two Wednesday morning groups, and the all-day Sunday “Church of the Holy Long Run.” Meeting spots vary weekly and are announced on the club’s Google Group.
🌿 Trail🎉 Social Scene🤝 Community First🐢 No-DropTrailDenver · City-wide · Thu, Tue, Sun
Denver Trail Runners
A trail-running club running the Front Range foothills since 2000 — a Thursday-evening run, a Sunday-morning long run, and a relaxed Tuesday run at Deer Creek Park. Locations rotate weekly with weather and trail conditions, announced on the club’s Facebook group and Google Group; just show up, no sign-ups.
🌿 Trail🎉 Social Scene🤝 Community FirstTrailBoulder · Downtown Boulder · Mon, Tue, Thu
Fleet Feet Boulder (Boulder Running Company)
The run program from Fleet Feet / Boulder Running Company on Pearl Street: a Monday pub run from Twisted Pine, a Tuesday morning trail run on the Anemone loop, and a Thursday ~5K road run from the store. All paces, no drop.
🎉 Social Scene👟 Beginner OK🌿 TrailRoadTrailDenver · Washington Park · Wed, Thu
Full Circle Social Club
A social crew with a Thursday-evening Washington Park run and a Wednesday-morning trail run. All paces welcome.
🎉 Social Scene🤝 Community First🌿 TrailRoadTrailFort Collins · Spring Canyon · Thu, Mon, Tue
Gnar Runners (Fort Collins Trail Runners)
Fort Collins' trail crew, run by Gnar Runners — a Thursday Spring Canyon social run, alternating Monday climbs from Soderberg (Towers/Horsetooth), and a coached women's trail speed group on Tuesday mornings. All paces, no drop.
🌿 Trail🤝 Community First⚡ PR Chasers💜 Women’s🐢 No-DropTrailLakewood · Green Mountain · Tue, Sun
Green Mountain Beer Run Club
A brewery trail crew from Green Mountain Beer Company — a Tuesday-evening ~3-mile trail run and a Sunday-morning trail run at Apex, with a discounted beer after.
🎉 Social Scene🌿 Trail🤝 Community FirstTrailFort Collins · Old Town · Wed · 6:00 PM
New Belgium Brewing Run Club
A Wednesday-evening no-drop run from New Belgium Brewing, out about three miles on the Poudre trail, with a dollar off drinks after.
🎉 Social Scene🤝 Community First🌿 TrailTrailBoulder · City-wide · Mon, Wed, Thu, Fri
Rocky Mountain Runners
A Boulder trail and mountain running community since 2013: a Monday-evening Green Mountain summit from Chautauqua, Wednesday and Friday morning trail runs, and a twice-monthly Thursday women’s run from NCAR. Free, with no formal membership — just show up.
🌿 Trail🤝 Community FirstTrailBoulder · South Boulder · Wed · 5:30 PM
Runners Roost Boulder
The Wednesday run from Runners Roost in South Boulder, with a casual and a quicker trail wave plus a 6:00 PM road 5K. All paces.
🎉 Social Scene🌿 Trail🤝 Community FirstRoadTrail