Mountain Biking in Aspen & the Roaring Fork Valley

Group rides, women’s rides, and trail-work nights on local dirt.

MTB✓ Verified 2026-08-31

Aspen Cycling Club Mountain Bike Races

Aspen Cycling Club

Wednesday mountain bike rounds within the alternating summer series

Varies — valley trail venues

Beginner-friendlyCost variesSummer

The mountain bike rounds within the club’s alternating summer series, on Wednesdays between April and August.

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RFMBA Volunteer Trail Days

Roaring Fork Mountain Bike Association

Seasonal volunteer trail-work days through spring–fall

Trailheads valley-wide (New Castle to Aspen)

Beginner-friendlyNo-dropFreeSummer

Build and maintain the valley’s 300+ miles of singletrack alongside fellow riders. Dates are posted through the season — check the RFMBA site and Facebook.