But that's not the case with "The Fire Inside," a film that may put Flint on the map for beating the odds. The gritty, compelling biopic tells the story of Claressa Shields, the two-time Olympic boxing champion who has gone on to win all 15 of her matches as a professional.

The Fire Inside,” in theaters now, dramatizes her remarkable journey, from poverty in Flint, Michigan, to being a two-time Olympic boxing Gold Medalist known as “T-Rex.”

Check out these images of actor Ryan Destiny and boxing and PFL standout Claressa Shields. Destiny plays Shields in "The Fire Inside," a biopic about Shields' life and career.

Ryan Destiny said her role playing iconic female boxer Claressa "T-Rex" Shields in "The Fire Inside" helped her develop a new level of trust in herself as an actress. "I think I found a lot of trust in myself.

Claressa Shields was only 17 when she went to the 2012 London Olympics and became the first American woman to win gold in boxing.

"The Fire Inside," in theaters Christmas Day, casts Ryan Destiny as history-making Olympic boxer Claressa Shields.

Ryan Destiny stars as boxing champion Claressa Shields in The Fire Inside, a film that follows Shields’ inspiring journey.