Simone Biles, the most decorated American gymnast, is set to compete in her sixth world championships.
The world championships will take place in Stuttgart, Germany.
Biles has won a total of 20 Olympic and World Championship medals.
She is the reigning Olympic and World all-around champion.
Biles has been training new skills, including a triple-twisting double back on floor exercise.
She will be joined by fellow American gymnasts, including Sunisa Lee and Kara Eaker.
The world championships will take place from October 4-13, 2019.