Kenya 's David Lekuta Rudisha sets a new world record in the men 's 800 meters . Rudisha clocks a time of one minute 41.09 seconds in Berlin on Sunday . His time shaved two hundredths of a second off the previous record set by Wilson Kipketer . `` This brought back memories of the 2009 final for me . Women 's world 800 meters champion Caster Semenya won her third comeback race .
Kenya 's David Lekuta Rudisha sets a new world record in the men 's 800 meters . Rudisha clocks a time of one minute 41.09 seconds in Berlin on Sunday . His time shaved two hundredths of a second off the previous record set by Wilson Kipketer . Women 's world 800 meters champion Caster Semenya won her third comeback race .