simone biles

Combining skills of unprecedented difficulty with flawless execution, the 22-year-old surpassed Vitaly Scherbo's record 23 world medals won in the 1990s. Biles copped five golds at the championships.

The reigning world champion is the first woman to stick the landing after two flips and three full twists. Biles also made history by performing a double-double dismount off the balance beam Friday.