Christian Taylor of the United States competes in the triple jump at Hayward Field on May 28, 2016 in Eugene, Oregon.

Ruth Jebet of Bahrain, left, reacts in front of Emma Coburn of the United States, right, after winning the 3000 meter steeplechase at Hayward Field on May 28, 2016 in Eugene, Oregon.

Chaunte Lowe of the United States reacts after winning the high jump at Hayward Field on May 28, 2016 in Eugene, Oregon.

Omar McLeod of Jamaica, center, runs in the 110 meter hurdles at Hayward Field on May 28, 2016 in Eugene, Oregon.

Chaunte Lowe of the United States reacts after winning the high jump at Hayward Field on May 28, 2016 in Eugene, Oregon.

Justin Gatlin of the United States wins the 100 meter dash at Hayward Field on May 28, 2016 in Eugene, Oregon.

Tori Bowie of the United States, right, and Dafne Schippers of Netherlands hug after the 200 meter race at Hayward Field on May 28, 2016 in Eugene, Oregon. Bowie won the race in a time of 21.99.

Boris Berian of the United States wins the 800 meter race at Hayward Field on May 28, 2016 in Eugene, Oregon.

Bershawn Jackson, left, and Michael Tinsley, right, of the Unied States run in the 400 meter hurdles at Hayward Field on May 28, 2016 in Eugene, Oregon.