In her first event of the night, Felix shot out of the blocks in the women's 100m with the second fastest reaction time and surged ahead over the final 40 meters to win the race in a personal best, world leading 10.93. It was Felix's first time running a sub-11, as her previous personal best was 11.01. Just over an hour later, she was back in the blocks for the women's 400m. Once again, Felix went out strong and heading into the home stretch was leading by 10 meters. She crossed the finish line in a meet record and world-leading 49.83. Jamaica's Shericka Williams was second in 50.50 and 2007 World Outdoor 4x400m gold medalist Natasha Hastings was third in 50.80.
Felix is the eighth woman of all-time to run sub 11 over 100m, sub 22 over 200m and sub 50 over 400m. Other all-time greats accomplishing this feat include Marita Koch (GDR), Gwen Torrence, Irina Provolva (RUS), Valerie Briscoe-Hooks, Marie-Jose Perec, Barbel Wockel (GDR) and Marion Jones.
Also at the track, 2008 World Indoor champion Lolo Jones was the runner-up in the women's 100m hurdles in 12.65 and two-time U.S. Outdoor champion Ginnie Powell was third in 12.77.
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