Lake Elkhorn loop — Columbia, Maryland

Centennial Lake Loop Trail — Columbia, Maryland

Lake Needwood loop — Rock Creek Regional Park

Morning Choice and Cascade Falls loop — Patapsco Valley State Park

Lake Kittamaqundi loop from Symphony Woods Parking — Columbia, Maryland

Lake Elkhorn loop — Columbia, Maryland

Switchback Trail loop — Patapsco Valley State Park

Cascade Falls Trail loop — Patapsco Valley State Park

Valley Trail Loop — Rock Creek Park

Wincopin Trails and cotton mill relics — Columbia, Maryland

Lake Bernard Frank loop — Rock Creek Regional Park

Baltimore Waterfront Promenade — Inner Harbor

Thru, Chevrolet & Quarry Trails loop — Patapsco Valley State Park