In August 2016, American gymnast Simone Biles won four Olympic gold medals! Her irresistible smile, fierce determination, and unbeatable strength have made her a favorite around the world. Find out how the girl who taught herself to flip on her backyard trampoline blazed a trail in gymnastics. Trailblazers is a biography series that celebrates the lives of amazing pioneers, past and present, from all over the world. Get inspired by more Trailblazers: Neil Armstrong, Jackie Robinson, Jane Goodall, Harriet Tubman, Albert Einstein, Beyoncé, and Stephen Hawking.