We asked an Olympian what it's like to spend 4 years training for Rio

LONDON — The countdown until the official opening of the Rio 2016 Olympics is officially on. First-time Olympians are gearing up for the most exciting and career-defining games of their lives so far.  SEE ALSO: Female Olympians pose naked in tribute to the bodies that helped them achieve their goals But, the Olympic journey didn't begin here for most Olympians. Far from it. Indeed, British Sailing Team member Nicola Groves began her Olympic journey four years ago while many of us were