Seven-time Olympic gold medalist Allyson Felix will enter her final international tournament this month after the United States summoned him to Eugene,

Nine reigning world champions and 29 Tokyo medalists will compete against Team USA for the first ever World Cup in the U.S. from 15 July.

Felix, the most decorated woman in track history, came out on top in the 400-meter dash in the U.S., failed to win

The top three U.S. examiners, who meet certain eligibility criteria, will compete with the reigning champions, who automatically enter.

That means champion Dalilah Muhammad will be able to renew her competition with Olympic champion

world record holder Sydney McLaughlin in the 400 meters for women, while Christian Coleman will defend the title in the men's 100 meters.

Four-time world champion Christian Taylor, who completely broke his right Achilles last year, shattered his hopes of competing in Tokyo, to embark on a triple jump

Other line-ups include Nia Ali in the women's 100-meter hurdles, Donavan Brazier in the men's 800 meters,