(Eugene, OR)  --  Some of the nation's top athletes will be in Eugene today for the start of the Olympic Track and Field Trials.  Athletes looking to make the U.S. Olympic Team include the world's two fastest women, Dalilah Muhammad and Sydney McLaughlin, who will face off in the women's 400-meter hurdles.  Two-time World Champion medalist Noah Lyles is favored to qualify in both the 100- and 200-meter dash.  The top three athletes in each event will make the team for the Tokyo Olympics.