Kom has won the World Boxing championship five times in a row. She is the only woman to get a medal and trophy in all six world championships. She is also the only Indian woman to qualify for boxing in the 2012 London Olympics. At the 2013 Games, she competed in the flyweight category 51kg and won a bronze medal. She had also been ranked as No. 1 AIBA World Women's Ranking Light Flyweight category.