Also in this week's Olympic notebook, Caeleb Dressel still in good form, golf teams announced.

Ukrainian high jumper Yaroslava Mahuchikh won a gold medal to bring an emotional close to the track and field world championships.

Norway’s Karsten Warholm powered to victory in the 400-meter hurdles, then put on his trademark Viking horns to celebrate his third victory at the world championships.

Allyson Felix came out of a brief retirement to help the women's 4x400 relay make the final at world championships.

Allyson Felix hasn’t run her last race after all.

Allyson Felix has “no regrets” after a seventh-place finish in the 200 meters of what was likely her final Diamond League meet.

Jamaican Elaine Thompson-Herah bested her gold-medal winning time in Tokyo at the Prefontaine Classic on Saturday, and Sha’Carri Richardson finished last in her return to the track after controversy.

Sha’Carri Richardson is set to compete again after missing the Tokyo Olympics because of a positive marijuana test.

A five-minute burst of action near the backstretch of the Olympic track served up the perfect snapshot of what is going right and all that is going wrong for the U.S. track and field team in Tokyo.