“There’s something amazing about holding up an American flag,” says kettlebell gold medal winner Katherine Hartmann

The physician and scientist says she was motivated by the words of a friend: “Almost everything is your fault, and what isn’t your fault is your responsibility.”

Olympic achievement: Children’s Hospital employee KeKe Hinds brings home the gold

“I am very competitive when it comes to sports. It’s such fun and I get to meet so many great people.”

Trauma chief Rick Miller represents Team USA in world triathlon event in Netherlands

“My goal was to stay in good shape as I got older.”