Allyson Felix Advances to the Semifinals in the 400 Meters. - The

Allyson Felix advances in 400 at U.S. Championships in 1st race as a mom; Isiah Young nips Justin Gatlin in 100-meter heat

Felix makes 200m final, Bor defends U.S. title at Trials

Felix comes out of retirement, helps 4×400 relay into final

2016 Olympics Aug. 15 recap: Allyson Felix wins silver in 400m finals

Allyson Felix runs 1,600-meter relay prelim after Lynna Irby bows out

Allyson Felix Won Bronze in the 400-Meter, Her Tenth Olympic Medal - The New York Times

Allyson Felix Finishes 4th in Her heat and Advances to 400m Semi Finals at US Championships

Trojans At Tokyo Olympics Day 11: Allyson Felix Debuts; Six Women of Troy Duel in USA-Canada Water Polo - USC Athletics

Felix advances in 400 after 1st race as a mom - ESPN

Sha'Carri Richardson wins women's 100m at U.S. Olympic Trials, books Tokyo spot

Samuel, Benjamin, Sears & Felix Advance To Finals At The U.S. Olympic Team Trials - USC Athletics