In the 1,500m, Nikki Hiltz faced a tough field that included heat winner Faith Kipyegon of Kenya (3:55.14), Sifan Hassan of the Netherlands (3:55.48) and the British pair Laura Muir (3:56.36) and Katie Snowden (3:56.72). Hiltz finished 11th in 4:00.84 and was 11th overall among the times generated by the two semifinal heats.
However, a new rule implemented this season had runners advancing on place, top six in each of the two heats, while no one advances on time in the middle distance and distance events.
While Pryce generated the fifth best time among the opening round of the 400m, from lane nine, teammate Britton Wilson placed eighth in the same heat with a 53.87. Collapsing at the finish line, Wilson was escorted off the track via a wheelchair.
Finishing behind Pryce in the fourth of six heats were Cuban Roxana Gomez (50.86) and Gabby Scott of Puerto Rico (51.07). The overall leading time of 49.90 was supplied by Marileidy Paulino of Dominican Republic.
Arkansas transfer Romaine Beckford cleared three heights in high jump qualifying, making 7-4.5 (2.22) on his first attempt to place 11th in his group and 22nd overall. A height of 7-5.75 (2.28) was needed to reach the final.
Three fouls in the heptathlon long jump knocked Taliyah Brooks out of medal contention and she did not contest either the javelin or 800m.
Katrina Johnson-Thomson of Great Britain won the heptathlon with 6,740 points to defeat American Anna Hall (6,720) by just 20 points.