Shericka Jackson won the women’s 100-metres in 10.70 seconds in Eugene, on Saturday.
Jackson is aiming for the sprint double at the Diamond League final.
Elaine Thompson-Herah finished third in a season best 10.79 seconds, with Marie-Josée Ta Lou of the Ivory Coast second in 10.75 seconds. Another Jamaican Natasha Morrison was sixth.
Kishane Thompson finished fourth in the men’s 100 metres in 9.87 seconds, with Yohan Blake sixth. American Christian Coleman won in 9.83 seconds.
National record holder, Rusheen McDonald, finished fifth in the men’s 400 metres in 45.10 seconds. Kirani James of Grenada won the event in a season’s best 44.30 seconds.
Danniel Thomas-Dodd was six in the women’s shot put.
Meanwhile, Jackson returns tomorrow to contest the 200 metres. Candice McLeod line up in the women’s 400 metres. World champion Danielle Williams and Olympic bronze medallist Megan Tapper go in the women’s 100-metres hurdles.
Olympic champion Hansle Parchment will go up against five Americans, including three time World champion Grant Holloway, in the 110 metres hurdles.
Rushell Clayton and Janieve Russell are the Jamaican representatives in the women’s 400 metres hurdles.
Navasky Anderson will compete in the men’s 800 metres, while Natoya Goule Toppin will run in the women’s equivalent and Tajay Gayle will seek the diamond in the men’s long jump.