Trail Running in Fort Collins

Group trail runs and fun runs on the valley’s singletrack and foothills.

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Trail Run✓ Verified 2026-06-26

Altitude x FCRC Monday Run

Altitude Running

Mondays, 6:00pm · 2–6 mi out-and-back on Spring Creek Trail

Altitude Running, 2531 S Shields St #2N, Fort Collins

Beginner-friendlyNo-dropFree

All paces welcome with pace leaders. Co-hosted with the Fort Collins Running Club.

Trail Run✓ Verified 2026-06-26

Pineridge Thursday Social Run

Fort Collins Trail Runners

Thursdays, 6:00pm · ~5 mi on Pineridge, social after

Spring Canyon Park (by the dog park), Fort Collins

Beginner-friendlyNo-dropDog-friendlyFreeSummer

No-drop run through Pineridge Natural Area, all abilities, group often heads to Intersect Brewing after. Exact route is posted weekly on Facebook.

Trail Run✓ Verified 2026-06-26

Tuesday Trail Run

Fort Collins Trail Runners

Tuesdays, 6:00pm · 5–7 mi, location rotates

Varies weekly (Towers, Maxwell, etc.) — check Facebook

No-dropDog-friendlyFreeSummer
Trail Run⚠ Needs verification

Lory Summer Trail Series

Gnar Runners

Tuesday evenings in August · Lory State Park trail series

Lory State Park, Bellvue

Beginner-friendlyPaidSummer

A short August-only trail series previewing the Black Squirrel course. Gnar doesn’t run a standing weekly group run; mid-week, they help lead the Fort Collins Trail Runners.