Whenever we think of the fittest women in sports we automatically think of people like Maria Sharapova or Serena Williams but they are not the only ones. Here are in our opinion the 10 fittest women in sports (and we sincerely apologise if we've missed anyone): 1) Maria Sharapova (Russia Tennis) The most well-known woman tennis star in the world this leggie lass supports herself with a simple yet rich diet consisting of high protein low carb and low fat food items. Her diet's rich in antioxidants as well. In addition to working out in gym she also does core strengthening