US sprinters Bernard Williams and Monzavious Edwards tied for the win in the 100 metres at the Zagreb Grand Prix meet in Croatia.
The duo finished together in 10.30 seconds on Monday, edging world champion Kim Collins of St Kitts and Nevis by .03 seconds.
South America record holder Redelen dos Santos of Brazil also won a close finish in the 110 metres, squeezing ahead of Jamaica's Maurice Wignall by a hundredth of a second in 13.46. Fellow Brazilian Anselmo Da Silva was third.
Australia's Daniel Batman won the 200 in 20.60, outpacing Jamaica's Omar Brown, who timed 20.62, and Gambian Saisy Ndure Jysuma, on 20.65.
Jamaica's Kemel Thompson won the men's 400 hurdles in 49.16. Czech Jiri Muzik was second .04 seconds behind, while Hadi Soua'an Al Somaily of Saudi Arabia placed third, .11 seconds off the lead.
In the 3,000, Uganda's Moses Kipsiro won in 7 minutes, 44.57 seconds, outpacing Ethiopia's second-placed Bado Worku on 7:44.83. Kenya's Pius Muli was third.
Olympic and world champion Dwight Phillips easily won the long jump, lunging 8.14 metres. World silver medallist James Beckford of Jamaican was second with 7.92.
In women's high jump, Sweden's Kajsa Bergqvist won with her fourth two-metre jump of the season since returning from injury.
In the 100 hurdles, Anjanette Kirkland, the surprise winner of the Golden Gala in Rome last week with a season best 12.57, clocked 12.67 to lead an American 1-2 sweep with Danielle Carruthers.
Italy's Manuela Levorato won the 100 in 11.43, surprising Jamaica's Aileen Bailey by .06 seconds, and third-placed Nevmerzhitskaya Alena of Belarus by .07 seconds.
Levorato almost won the 200 as well, finishing second to Ukraine's Marina Mindarieva, who won by four hundredths of a second in 22.97 seconds.
Slovenia's Jolanda Ceplak, the Olympic 800 bronze medallist, squeezed out victory in the 1,000 despite a nagging Achilles injury, timing 2:36.33 seconds. Ukraine's Nelya Neporadna was second in 2:36.34, while Jennifer Toomey of the United States was third in 2:36.46.
Sarah Schwald led an American 1-2-3 podium sweep in the 1,500, finishing first in 4:07.86. Amy Mortimer was second, and Jenlle Deatherage third.
Manuela Montebrun of France won her fifth of six competitions in the hammer throw this year, beating world champion Yipsi Moreno of Cuba by 78 centimetres with a throw of 74.66 metres.