In 2013, at age 64, Diana Nyad accomplished what many believed was humanly impossible. She became the first person to swim the 110-mile stretch from Cuba to Florida without a shark cage, pushing herself through some of the most dangerous waters on Earth. It was a journey fueled not by youth, but by sheer determination. For nearly 53 hours nonstop, Nyad battled exhaustion, deadly jellyfish, harsh ocean currents, and the ever-present threat of sharks. Every stroke was a fight, every mile a test, a