Video: F1 fitness and training
A single Formula 1 race is as exhausting as running a marathon, with a grueling circuit taking its toll on drivers.
Mercedes' Nico Rosberg is of the fittest drivers in the sport and he shares what it takes to stay fit the demanding world of F1.
In video released by the team, Rosbergs tells viewers about his physical and mental training ahead of grands prix.
Watch the video below: