EUGENE, Ore. -- Athing Mu once again confirmed her place as the new star of the women's 800-meter after her victory Saturday at the star-studded Prefontaine Classic.
Mu, 19, won the 800-meter gold medal for the United States in Tokyo earlier this month. She finished Saturday's race in 1 minute, 55.04 seconds, an American record.
"I knew this was going to probably be a little a little tougher just because I came off the Olympic Games and running a [personal record] there, so I wasn't really looking at time," Mu said. "I just wanted to come out here, run with whoever was out there and just be competitive as usual. Very satisfied with the 1:55.04. To PR again this season, that's pretty great.''
Canadian Andre De Grasse won the 100 with a wind-aided 9.74 in a field that included second-place Tokyo finisher Fred Kerley, and 39-year-old Justin Gatlin.
Olympic bronze medalist Noah Lyles won the 200 in 19.52, also a meet record and a world best this year.
Kenyan Norah Jeruto won the steeplechase in 8 minutes, 53.65 seconds, another meet record and a world best this year, while second-place finisher Courtney Frerichs finished in 8 minutes, 57.77 seconds to set an American record.
Kenya's Faith Kipyegon won the 1,500 in 3 minutes, 53.23 seconds.
Ryan Crouser, the gold medalist in shot put who set a world record in the event at the trials, won the event at the Pre with a meet-record mark of 23.15 meters (75 feet, 11 1/2 inches). Pedro Pechardo of Portugal won the triple jump.
In the women's field events, American Katie Nageotte won the pole vault, and Iryna Herashchenko of Ukraine took the high jump.
The Prefontaine Classic, named after renowned Oregon runner Steve Prefontaine, is the eighth stop on the Diamond League schedule and the only U.S.-based meet. This year's event will serve as a preview for next year's World Championships scheduled at Hayward Field.
The Associated Press contributed to this report.