Usain Bolt won the 100m final at Beijing
Alexander Popov of Russia in 48.74 seconds
Maurice Greene of the United States in a time of 9.87 seconds.
Jesse Owens took four gold medals in the 1936 Olympics including the 100M Mens, 200M Mens, 4x100 mens relay and the long jump. also hitlor
the mens 100 meter sprint
The question is a little unclear as to whether it is the 100m swimming or running world record. The world record for the age group 50 - 54 years mens 100m freestyle is 54.61 seconds held by Paul Trevison
Pieter van den Hoogenband of The Netherlands in 48.17
Ben Johnson, who crossed the line first, was disqualified after a positive drugs test.