The 2012 London Olympic Games will hold the first ever women's boxing event this summer. 36 women from around the world will compete in three weight divisions for a chance to earn gold for the first time in the history of the Olympics. Photographer Peter Hapak recently captured some of team U.S.A.'s hardest hitting contenders. Hit the thumbs for a look at Peter's photo portraits staring Claressa Shields, Queen Underwood and more. [Lightbox]