Top non-distance action includes Dafne Schippers vs Elaine Thompson and Shaunae Miller-Uibo over 200m and Sam Kendricks trying to stop Renaud Lavillenie from winning his 8th DL trophy in the PV.
She says she looked up at the jumbotron and lost her balance.
Naser shocked everyone by beating out Allyson Felix and Shaunae Miller-Uibo to take 400m silver.
Felix: "I never get past losses. They just motivate me. It's a part of my story."