Emmanuel Korir extends Kenya's 800m dominanceAmerican Clayton Murphy, the U.S. champion and bronze medalist from the 2016 Rio Games, finished last in the final.
Kenya's Ferguson Rotich through to men's 800m final with fastest timeNijel Amos was initially out of Wednesday's final following his fall, but the 27-year-old was later reinstated, expanding the field to nine athletes.
Contenders for men's 800m qualify comfortably for semisA new winner is set to emerge in Tokyo for the first time since 2012. Nijel Amos, Ferguson Rotich, Emmanuel Korir and Clayton Murphy were among the heat winners.
Going the extra half-mile: Retired Bolt trains for 800 eventRetired Jamaican sprinter Usain Bolt has been training to run the 800 meters for a promotional event.