And Kara Goucher beat Jordan Hasay as Kara returned to the track for the first time in nearly 2 years and Jordan for the first time outdoors in 2015.
We look at the USA women's chances (very good with much of Europe giving up) and have interviews with Sarah Hall and Jen Rhines in China.
Men's team also has Bobby Curtis, Maksim Korolev, Ryan Vail. Women include Sara Hall and Jenn Rhines.
Neely Spence and Sara Hall tried to stay close but Thweatt was way too good.
In other mid-d action, UK's Laura Muir put a disappointing season month behind her to win the mile in 4:34.84 over a solid field that included Kenya's Hellen Obiri (4th in 4:36.23). Brie Felnagle was 5th and Treniere Moser 7th. In the men's mile Germany's Homiyu Tesfaye ran 4:00.92 to beat Asbel Kiprop (4:01.09) and Garrett Heath (4:01.22).
Torrence won in 13:34 as Diego Estrada was 2nd in 13:38. Leonard Korir and Shadrack Biowott were 3-4; Alan Webb was 7th (13:56). Conley won in 15:29 over Sally Kipyego (15:37), Brie Felnagle (15:44.5) and Betsy Saina (15:44.7).