Footage of swimmers on their war to Gravesend.
Swimming and diving - swim. River Thames.
Long distance swim; Southend to Gravesend; up the mouth of the River Thames. Start of race: swimmers; both male & female; dive from boats. Then various shots along route of the swimmers using different strokes; some shots show that this is no easy task; swimming against the current. Includes some CU's. Boats row along w/ swimmers. Shot of man in boat handing bite a food to swimmer. Last shots are darker; later in day- -almost silhouette of boat; swimmer. Races; endurance; strength.