Simone Biles Becomes the Most Decorated Female Gymnast Ever On Oct. 8, Simone Biles competed at the 2019 Gymnastics World Championships in Germany and won her 21st medal. At age 22, Biles is officially the most decorated female gymnast of all time. Simone Biles, via ‘The New York Times’ Biles was previously tied with Russian gymnast Svetlana Khorkina for the record of most overall medals at the world championships. She is now only two medals short of male gymnast Vitaly Scherbo, who holds the record for both men and women at the world championships. Biles is scheduled to appear in the All-Around Final on Oct. 10, which features the top 24 gymnasts.