The Olympian set a new facility record of 4:24.54 in the women's mile.
Loaded fields on both the men's and women's sides.
Men's, women's 800m winners triumph in quick fashion on the final day of the USA Outdoor Track & Field Championships.
She shatters a 31-year-old American high school mark.
She has never been beaten on the storied Hayward Field.
Ben True leads the way with 6th-place finish. U.S. women place fourth amongst teams.
The 2012 Olympian was the runner-up at the USA Cross Country Championships.
Check out these shots from over the weekend!
Competitive fields made for an exciting day of racing in St. Louis.
Olympians Matt Tegenkamp and Dathan Ritzenhein headline the men's contingent.