
Diana Nyad's fourth attempt —
Endurance swimmer Diana Nyad's latest attempt to swim across the Straits of Florida ended Tuesday morning after severe jellyfish stings and a lightning storm put her off course, her team said.

Diana Nyad's fourth attempt —
Nyad was making her fourth attempt to swim across the Straits of Florida. The full distance from Havana, Cuba, to Key West, Florida, is 103 miles.

Diana Nyad's fourth attempt —
Nyad had been in the water for 60 hours and was about halfway through her swim from Cuba to Florida.

Diana Nyad's fourth attempt —
Nyad began her swim at the Ernest Hemingway Nautical Club in Havana, Cuba, on Saturday, August 18.

Diana Nyad's fourth attempt —
Nyad, left, prepares for her departure. Nyad's first attempt to cross the Straits of Florida was in 1978, when rough seas left her battered, delirious and less than halfway to her goal.

Diana Nyad's fourth attempt —
Nyad gestures before her embarking on her journey.

Diana Nyad's fourth attempt —
After jumping into the waters off Havana on Saturday afternoon -- a day earlier than originally planned -- Nyad had swum nearly 28 statute miles as of Sunday evening, putting in 50 strokes a minute, her blog reported.

Diana Nyad's fourth attempt —
Endurance swimmer Nyad pauses for a rest and hydration with her support crew in the Florida Straits between Cuba and the Florida Keys on Sunday, August 19.

Diana Nyad's fourth attempt —
Nyad braves the water without a shark cage, relying on electronic shark repellent and a team of divers to keep them away.

Diana Nyad's fourth attempt —
After reportedly being stung by a jellyfish, Nyad takes a break.

Diana Nyad's fourth attempt —
Diana Nyad swims off Havana on Saturday, as she begins a more than 100-mile trip across the Florida Straits to the Florida Keys.


