At the Gym with Simone Biles

The first woman to win three straight world all-around championships, Simone Biles has a good chance to become the first female gymnast to earn five gold medals at a single Games. Biles has been working under the same coach, Aimee Boorman, since she was six and now trains at World Champions Centre—just outside Houston. Biles's training regimen: Tuesdays, Thursdays and Fridays, 9 a.m. to noon, 3 p.m. to 6 p.m.; Mondays and Wednesdays, 12:30 p.m. to 5:30 p.m.; Saturdays 9 a.m. to 1 p.m. On Sundays, she rests.

At the Gym with Simone Biles