Allyson Felix crosses the finish line of the women's 3x100m relay at the Weltklasse Zürich Inspiration Games at Mt. San Antonio College on Thursday, July 9, 2020, in Walnut, Calif. Athletes competed from seven different locations around the world. (AP Photo/Ashley Landis)

Allyson Felix reacts after crossing the finish line of the women's 3x100-meter relay at the Weltklasse Zürich Inspiration Games at Mt. San Antonio College on Thursday, July 9, 2020, in Walnut, Calif. Athletes competed from seven different locations around the world. (AP Photo/Ashley Landis)

Allyson Felix competes in the women's 150-meter dash at the Weltklasse Zürich Inspiration Games at Mt. San Antonio College, Thursday, July 9, 2020, in Walnut, Calif. Athletes competed from seven different locations around the world. (AP Photo/Ashley Landis)

Tianna Bartoletta, left, Allyson Felix, center, and Candace Hill, right, pose for a photo after winning the women's 3x100m relay at the Weltklasse Zürich Inspiration Games at Mt. San Antonio College on Thursday, July 9, 2020, in Walnut, Calif. Athletes in several countries competed using live video. (AP Photo/Ashley Landis)

FILE - In this Sept. 29, 2019, file photo, Noah Lyles, of the United States looks at the scoreboard after a men's 200 meter heat at the World Athletics Championships in Doha, Qatar. Lyles is spending his time these days trying to process what's happening in his country — a land riven with protests, pain and questions in the aftermath of the killing of George Floyd. (AP Photo/Petr David Josek, File)