Fit for a Cause: Real Women Who Are Changing the World

Karen Owens, 39, Nashville, and Linda DeVault, 52, Gallatin, Tennessee

Raised $100,481 for Alzheimer's Association

Karen lost two grandmothers and a grandfather to Alzheimer's disease. She also has a couple of aunts with the disease. This will be her third year participating in the Memory Walk. Linda is her team's captain and got involved through her employer, Brookdale Senior Living.