Columbia & Shamrock Columbia & Shamrock Columbia & Shamrock Columbia Columbia and Shamrock before the start Columbia & Shamrock at starting gun Columbia and Shamrock at start Columbia and Shamrock start from the Lightship Columbia and Shamrock after start Columbia & Shamrock Columbia & Shamrock Columbia & Shamrock Boats At Horseshoe Columbia at finish Shamrock at finish Columbia & Shamrock Shamrock Columbia & Defender Defender Columbia Defender Columbia, MacKenzie & Defender Philapena Athene Sagamore Sagamore U.S.S. Kentucky U.S.S. Kentucky Piscataque City of Everett Santuit City of Fitchburg Maya Maya Nea & Maya Nea Oceanic New York Priscilla Cedar Croft Landskrona Virginia U.S.S. Wilmington Geralda Constellation Constellation New England Queenstown Light House Lexington Active Active