When Michael Phelps arrived in Rio as a 31-year-old swimmer who retired once and endured plenty of turmoil away from the pool, everyone wondered just how many gold medals was a realistic goal.

Nathan Adrian destroyed Australian star James Magnussen’s ambition of adding the Olympic title to his world crown when the American out-touched him by one 100th of a second in the 100 metres freestyle.

Some of the most beautiful people on the planet will compete at the Olympics. Larry Ryan rates the top five men and women