After her mother passed away from breast cancer, Chelsea Campbell, only a junior in high school, was called upon to take care of her mentally and physically handicapped sister, Alexis.
In a time when nothing in life seemed secure, the support of her local firehouse was the one constant in her life. So when the time came to rally a team for Tough Mudder 2015, choosing teammates for her dream team was a no brainer.
Watch how one Mudder is breaking the mold of his past and creating a new life for his family in Finish Strong episode four.