Sycamore Island – Little Falls Dam loop from Clara Barton National Historic Site

Francis Scott Key Bridge – Horseshoe Bend at Great Falls loop from Shaw–Howard University

Horseshoe Bend at Great Falls – Crossing Over the C&O Canal loop from Shaw–Howard University

Korean War Veterans Memorial – World War II Memorial loop from Potomac

Monocacy Aqueduct – Catoctin Creek Aqueduct loop from Seneca

Seneca Quarry Stone Mill Ruins – Historic White’s Ferry (Out of service) loop from Seneca

Pennyfield Lock – Black Rock Mill loop from Pennyfield Lock Neighborhood Conservation Area

Horseshoe Bend at Great Falls – Swains Lock loop from Cabin John

Swains Lock – Pennyfield Lock loop from Potomac

Horseshoe Bend at Great Falls – Pennyfield Lock loop from Congressional Country Club

U.S. Capitol – Horseshoe Bend at Great Falls loop from Rockville

Herndon Caboose Park – Green Lizard Cycling, Herndon loop from Reston Town Center

Horseshoe Bend at Great Falls – Beach Drive in Rock Creek Park loop from Van Ness–UDC