The boys give their take on the different stages of training - from diet and track-work to the gym. Insider tips on taking training to another level and how the pro's make sure they're at the top of their game.
Martyn Rooney is a 400m runner who's won medals at Olympic, World and European Championships.
"Discus" Dan Greaves has been on the podium at 5 Paralympic Games. He's also a 3 times World Champion, 4 times European Champion and Commonwealth Games Champion.
@MartynRooney
@DiscusDan