Allyson Felix, of the United States holds her bronz medal at the World Athletics Championships Friday, July 15, 2022, in Eugene, Ore. (AP Photo/David J. Phillip)

Allyson Felix, of the United States, smiles after the 4x400-meter mixed relay final at the World Athletics Championships Friday, July 15, 2022, in Eugene, Ore. (AP Photo/Charlie Riedel)

Allyson Felix, of the United States, run in the 4x400-meter mixed relay final at the World Athletics Championships Friday, July 15, 2022, in Eugene, Ore. (AP Photo/Charlie Riedel)

Allyson Felix, of the United States, is embraced on the track after the USA won the 4x400-meter mixed relay final at the World Athletics Championships Friday, July 15, 2022, in Eugene, Ore. (AP Photo/David J. Phillip)

Allyson Felix, of the United States, gives her daughter Camryn her bronze medal after the 4x400-meter mixed relay final at the World Athletics Championships Friday, July 15, 2022, in Eugene, Ore. (AP Photo/Charlie Riedel)

Allyson Felix, of the United States, walks on the track after the USA won third place in the 4x400-meter mixed relay final at the World Athletics Championships Friday, July 15, 2022, in Eugene, Ore. (AP Photo/David J. Phillip)

Sprinter and hurdler Kenneth Ferguson, left, and track and field runner Allyson Felix arrive at the ESPY Awards on Wednesday, July 20, 2022, at the Dolby Theatre in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Allyson Felix, of the United States, gives her daughter Camryn her bronze medal after the 4x400-meter mixed relay final at the World Athletics Championships Friday, July 15, 2022, in Eugene, Ore. (AP Photo/Charlie Riedel)

Allyson Felix, of the United States, poses after the 4x400-meter mixed relay final at the World Athletics Championships Friday, July 15, 2022, in Eugene, Ore. (AP Photo/Charlie Riedel)

Allyson Felix, of the United States, smiles after the 4x400-meter mixed relay final at the World Athletics Championships Friday, July 15, 2022, in Eugene, Ore. (AP Photo/Charlie Riedel)

Sprinter and hurdler Kenneth Ferguson, left, and track and field runner Allyson Felix arrive at the ESPY Awards on Wednesday, July 20, 2022, at the Dolby Theatre in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Jocelyn Alo, from left, Layisha Clarendon, Chloe Kim, Allyson Felix, Oksana Masters, Aly Raisman and Megan Rapinoe appear onstage during a performance at the ESPY Awards on Wednesday, July 20, 2022, at the Dolby Theatre in Los Angeles. (AP Photo/Mark Terrill)

Allyson Felix, of the United States, walks on the track after the USA won the 4x400-meter mixed relay final at the World Athletics Championships Friday, July 15, 2022, in Eugene, Ore. (AP Photo/David J. Phillip)

Allyson Felix, of the United States, smiles after the 4x400-meter mixed relay final at the World Athletics Championships Friday, July 15, 2022, in Eugene, Ore. (AP Photo/Ashley Landis)

Track and field runner Allyson Felix arrives at the ESPY Awards on Wednesday, July 20, 2022, at the Dolby Theatre in Los Angeles. (Photo by Jordan Strauss/Invision/AP)