Simone Biles set the record by a female for career gold medals at the world gymnastics championships by winning the balance beam and floor exercise on Sunday.
The 18-year-old now has 10 golds in all, breaking the mark held by Svetlana Khorkina, Gina Gogean and Larisa Latynina.
The three-time all-around champion posted a score 15.358 on beam, more than a point better than silver medalist Sanne Wevers of the Netherlands and bronze medalist Paulin Schaefer of Germany. The margin was nearly as big on floor exercise, where her score of 15.800 beat Russia's Ksenia Afanaseva by seven tenths. American teammate Maggie Nichols earned a bronze behind her best friend.