Watch: Dazzling performances on gymnastics' last day and more Day 10 highlights
(From left to right) U.S. runner Gabby Thomas, U.S. gymnasts Simone Biles and Jordan Chiles, U.S. runner Noah Lyles.
(From left to right) U.S. runner Gabby Thomas, U.S. gymnasts Simone Biles and Jordan Chiles, U.S. runner Noah Lyles.