again, team nyad converged at the hemingway arena. e, after all the training, logistics, two years after waiting, diane nyad is about to take her shot. diana is going to jump in and for 60 hours push her mind and her body to the limit. at sunset august 7th, diana makes her way to the water. ♪ and then it's showtime. [ cheers and applause ] >> 7:46 p.m. she entered the water. >> diana starts swimming, leaving cuba behind. she expects to have 60 grueling hours of swimming ahead. sunrise august 8th. diane nyad has been swimming for nearly 12 hours. >> we're holding our own now so we're happy. >> david marchand is charting the best course he can but conditions are not what he'd hoped. >> well, for a swimmer it's rough. we could have done with a longer, flatter compact, which we didn't get. >> it was beautiful when we started and it got choppy quickly. >> barbara stoll's eyes never leave her best friend. >> i feel bad for her out there but i feel good she's powering on. >> powering on requires near super human effort. now diana's body is in