There are currently several dozens of top level sports with thousands of athletes playing at the peak of their powers. Some require greater physical strength and some need more technical abilities of the athlete but all the top athletes in every sport are usually the fittest ones of the bunch. Today we take a look at 10 fittest athlete across different sports. We name one fittest sportsmen in every top level sport and the list below take into account several factors such speed, strength, power and endurance required in a certain sport. So lets begin our countdown to the top 10 fittest athlete in the world today.