Jamaica's Olympic 400 metres finalist, Rosemarie Whyte, improved her season best (SB) time to 50.08 seconds in topping the field at an IAAF World Challenge meet in Zagreb, Croatia, yesterday.
Whyte, whose previous 2012 best, 50.20, came at last month's Diamond League meet in Birmingham, finished just under two seconds ahead of the Czech Republic's Denisa Rosolova, 52.07, and Britain's Marilyn Okoro, 52.65.
In the men's 100 metres, Jamaica's Mario Forsythe, 10.25, and Michael Frater, 10.31, were third and fourth, respectively, behind American Ryan Bailey, who won in 10.02.
A third Jamaican, Nickel Ashmeade, pulled up 50 metres out and did not complete the race.
Aleen Bailey placed third in the women's 100 metres and second in the 200 metres. Bailey clocked 11.32 in the 100m behind Americans Carmelita Jeter, 11.07, and Jeneba Tarmoh, 11.30.
Another American, Olympic champion Allyson Felix, won the 200 metres in 22.35 as Bailey clocked 22.95 for the runner-up spot. Charonda Williams, also of the United States, was third in 22.96.