Overland Loop — Lyons

Marshall Mesa loop via Dowdy Draw Trail — Boulder

Canyon Loop & Benjamin Loop – Betasso Preserve

Hall Ranch Loop - otwarta przestrzeń North Foothills

Marshall Mesa loop — Boulder

Pętla Marshall Mesa - Otwarta przestrzeń Boulder i parki górskie

Walker Ranch Loop – Walker Ranch Park & Eldorado Canyon State Park

West Magnolia loop — Nederland

Erie Singletrack Dirt Jumps and Coal Creek Trail loop — Weld County

Heil/Hall Ranch loop — Lyons

South St. Vrain loops — Ward, Colorado

Coal Creek Trail loop — Weld County

Limber Pine Trail to Homestead Meadows — Hermit Park Open Space