Michal Kapral

A decade ago, Kyra Williams was eating her way through bags of chips and fast food. Today, the “Get in Shape Girl” is growing her own personal training empire.

Andrea Smith overcame a nightmarish sleepwalk-eating disorder, dropped 50 pounds and regained control of her life.

After 22 years of failed diets and an ever-expanding waistline, Kara Saha finally found the answer.

Once taunted by co-workers and some family members over her weight, Lori Sweeney dropped 20 jean sizes and now smiles in the face of her naysayers.

Inspired by her son, Texas mom and full-time law student Heather Wilkinson lost nearly 120 pounds and changed her life for good.

See how a Virginia mother of two was inspired to go from obese to fitness competitor.

Bullied mercilessly in high school, Rachel Boyd struggled with low self-worth until she dedicated herself to the gym.

Oxygen caught up with women’s running pioneer Kathrine Switzer to find out why so many women are running races in the U.S.