Fort Dupont Park to Fort Mahan Park loop — Washington, D.C

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

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

The National Mall — Washington, D.C

Southern Trails loop — Rock Creek 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

Valley Trail Loop — Rock Creek Park

Chinatown, National Mall, President's Park and Library of Congress — Washington, D.C

Foggy Bottom to Theodore Roosevelt Island loop — Washington, D.C

Arlington Cemetery loop — Washington, D.C.