Red Trail Loop — Pohick Bay Regional Park

Burke Lake Loop Trail — Burke Lake Park

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

The National Mall — Washington, D.C

Lake Mercer loop — Lake Mercer Park

South Valley Trail loop — Prince William Forest Park

Union Mills Trail & Bull Run Occoquan Trail loop — Hemlock Overlook Regional Park

Union Mills Trail Loop — Hemlock Overlook Regional Park

Woodmarsh Trail — Mason Neck National Wildlife Refuge

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

Arlington Cemetery loop — Washington, D.C.

High Meadows, South Valley & Turkey Run Ridge Trails loop — Prince William Forest Park

Thomas Jefferson Memorial to Hains Point — Washington, D.C