American Josh Hoey stormed to a new men's 800m short track world record in Boston.
Olympic champion Emmanuel Wanyonyi of Kenya, 20, narrowly missed the world mark of 1:40.91 set by Kenya's David Rudisha at the 2012 London Olympics.
Kenyan David Rudisha broke the men's 800 metres world record on Sunday, clocking a time of one minute 41.09 seconds at the ISTAF athletics meeting in the German capital.
Kenyan David Rudisha broke the men's 800 metres world record that had stood for 13 years on Sunday, clocking a time of one minute 41.09 seconds at the ISTAF athletics meeting in the German capital.
It is the third time Genzebe Dibaba, 25, has broken a world record in Stockholm, having previously set new marks for the 3,000 and 5,000 metres at the Ericsson Globe Arena in the Swedish capital