Kenilworth Aquatic Gardens loop from Tuxedo Colony

Billy Goat Trail Loop — Chesapeake and Ohio Canal National Historical Park

Upper Potomac River Trail loop — Great Falls Park

Dupont Circle to The National Mall and Tidal Basin loop — Washington, D.C

The National Mall — Washington, D.C

Lake Needwood loop — Rock Creek Regional Park

Southern Trails loop — Rock Creek Park

Great Falls Overlook 2 via the Patomac Heritage Trail — Great Falls

Matildaville Trail & River Trail loop — Great Falls Park

Scott's Run Nature Preserve loop — McLean

Linnaean Hill to Western Ridge Trail to Rock Creek loop — Washington, D.C

Dead Run Trail & Potomac Heritage Trail loop — Turkey Run Park

Rock Creek Park's Reservation 630 to Pinehurst Branch loop — Washington, D.C