Reigning US champ Cooper Teare was eliminated from the 1500 on day 1 in a shock upset as Matthew Centrowitz made the final and Yared Nuguse was sublime. In the women's 1500, Addy Wiley looked great and Athing Mu PRd. Will Sumner returned to form in the 800 where Nia Akins looked fantastic. Courtnrey Frerichs fell but advanced in the steeple.