1. Mary Kom

Mary Kom from India is the world's first woman boxer to win a medal in six boxing championship. To get there she overcame many obstacles, and is inspiring others to take up the sport.
"Boxing is much like life, it's a continuous fight," she says. "There will be obstacles, but you have to overcome them."  
A mother of three, Kom also said: "Motherhood only adds to your strength and inner peace... a mother of three can conquer the world."