What to Watch For in the U.S.A. Track & Field Olympic Trials. Track and Field, USA Track and Field, Oregon, University of Oregon, Muhammad, Dalilah (1990- ), McLaughlin, Sydney (1999- ), Felix, Allyson, Gatlin, Justin, Duplantis, Armand (1999- ), Kendricks, Sam (1992- ), Centrowitz, Matthew (1989- )