' This is ` ` feeling strong ... joking for the first time all day , '' says her handler . She hopes to swim the 103 miles from Miami to the Florida Keys . It 's her fifth swim in five years and will be her last , she says . After more than 30 hours in the water , the 64-year-old Nyad was more than 63 miles north of the marina where she began Saturday morning . If she 's successful , she 'll be the first person to do so without a shark fin , flippers or wet suits .
' This is ` ` feeling strong ... joking for the first time all day , '' says her handler . She hopes to swim the 103 miles from Miami to the Florida Keys . It 's her fifth swim in five years and will be her last , she says . If she 's successful , she 'll be the first person to do so without a shark fin , flippers or wet suits .