Diana Nyad sits down with CNN Chief Science Correspondent Dr. Sanjay Gupta . ` ` You are never too old to pursue your dreams , '' she says after the swim . Nyad becomes first person to swim from Cuba to Florida without shark cage . On Monday , Nyad became the first person to swim from Cuba to Florida without a protective cage , willing her way to a Key West beach just before 2 p.m . ET , nearly 53 hours after jumping into the ocean in Havana for her fifth try in 35 years . This was Diana 's fifth and final attempt to complete 103-mile swim .
Diana Nyad sits down with CNN Chief Science Correspondent Dr. Sanjay Gupta . ` ` You are never too old to pursue your dreams , '' she says after the swim . Nyad becomes first person to swim from Cuba to Florida without shark cage . This was Diana 's fifth and final attempt to complete 103-mile swim .