Olympic champion Gabby Thomas gained the primary race on the inaugural Grand Slam Monitor occasion in Kingston, Jamaica.
American Thomas, who picked up three gold medals on the Paris Olympics final summer time, set the tempo within the 200m, crossing the road in 22.62 seconds.
Marileidy Paulino, the Dominican Republic’s Paris Olympics 400m gold medallist, was second with Britain’s Dina Asher-Smith third.
“Usually, these early season meets we’re simply practising and feeling it out,” Thomas mentioned.
“Right here… the stakes are excessive, the prize pot is big and the extent of competitors can also be actually excessive.
“That is not one thing that we’re actually used to in our sport and I believe it is actually good.”
The Grand Slam Monitor is an idea conceived by four-time Olympic champion Michael Johnson in a bid to keep the eye and pleasure the game generates each 4 years on the Video games.
Following Friday’s opening occasion in Jamaica, there are an additional three ‘Slams’ scheduled to happen in the US between Might and June.
Athletes every characteristic in two occasions with Thomas additionally resulting from run within the 400m on Saturday.
Fellow American Sydney McLaughlin-Levrone additionally recorded a cushty victory within the 400m hurdles – an occasion the place she holds the world document.
McLaughlin-Levrone, who crossed the road in 52.76secs, is in pole place to assert the $100,000 (£77,600) being supplied to the athlete with one of the best mixed outcome from the 400m hurdles and 400m.
“Simply shaking the cobwebs off,” McLaughlin-Levrone mentioned on the Peacock broadcast.
“Clearly that first one at all times hurts however I am completely satisfied to be right here. Nice expertise.”
Elsewhere, American Kenny Bednarerk ran a time of 10.07secs to beat Jamaica’s Indirect Seville within the males’s 100m with Briton Zharnel Hughes coming third.
Newly topped world indoor 400m champion Chris Bailey maintained his spectacular begin to the 12 months by edging Britain’s Matt Hudson-Smith.
