Powell crossed the line in 9.84 seconds leaving USA's Ryan Bailey in second in 9.93 and compatriot in Nesta Carter in third in 9.98 seconds.
All top three man are also the first to break 10 second barrier this year with a legal wind.
Another world leading mark and Bahamian record went down in the women's 200m race when Bahama's Shaunae Miller surprissed the field bay taking the win in 22.14 seconds. Miller defeated Tori Bowie (USA) 22.29 and Jamaica's world champion Shelly-Ann Fraser-Pryce 22.39. Video
In the women's 100m, seasons fastest women, Elaine Thompson (JAM) crossed the line first in an impressive 10.97 beating Blessing Okabare of Nigeria 11.05 and Allyson Felix (USA) 11.09. Video
Olymopic 400m champion Sanya Richards-Ross became the first women this year to go under 50 second mark as she took the win with an impressive time of 49.95 seconds. Also outstanding performances showed Francena McCorory (USA) 50.73 and Stephanie McPherson (JAM) 50.98, who finished second and third respectively. Video
There was another world leading mark set by Colombia's Olympic and world champion Caterine Ibarguen who leaped 14.65m.
In themen's1-lap race Yousef Al-Masral of Saudi Arabia clcoked 44.59 to take down world champion Lashawn Merritt (USA) 44.80 and Jamaica's Javon Francis 44.90. Belgiums's Jonathan Borlee was 4th in 45.06. Video
This years surprise, Jasim Stowers (USA) improved her own world leading mark in 100m hurdles as she clocked 12.39 seconds for thewin. Ryunner up Danielle Williams (JAM) posted 12.77 while Shermaine Williams (JAM) was third with a time of 12.89. Video
World 800m season leader Ajee Wilson of USA took the win in the 2-lap race cloking 2:00.65. Wilson defeated compatriot Molly Ludlow 2nd in 2:01.09 and Charlene Lipsey of GB & NI, who posted 2:01.41 for third. Video
Fast time in the 400m hurdles posted former world champion Bershawn Jackson (USA), who clcocked 48.47 leaving Ledford Green (JAM) 49.22 in second and Jeffery Gibson (BAH) 49.42 in third. Video