The world record for mens 100m sprint is 9.58s by Usain Bolt (JAM) in 2009 in Berlin.
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
9.58s by Usain Bolt of Jamaica.
9:58 by jamaicas Usain Bolt,10:49 in womens 100m sprint
Linford Christie 9.87s
Usain Bolt, from Jamaica, holds the current world record for the Men's 100m Sprint. His winning time it 9.58 seconds. While the Women's record holder has been Florence Griffith-Joyner since 1988 with 10.49 seconds.
The fastest man in the 100m sprint is Jamaica's Usain Bolt, with a 9.58s finish at Berlin, Germany, August 16, 2009.
Usain Bolt (JAM) in 9.63s and Olympic record.