Florence Fu/Tech Insider
To perform at the absolute top of your game, training isn't enough.
Athletes also need to eat in order to get the nutrients they need to be the strongest or fastest they can possibly be.
There's no "one best diet" for athletes either — many eat in a variety of different ways.
Here's what some of the stars of the 2016 Summer Olympics in Rio have been eating to fuel their training.
Florence Fu/Tech Insider
Florence Fu/Tech Insider
Florence Fu/Tech Insider
