American Ian Crocker swam 100 meters freestyle in 46.25 seconds on March 27, 2004, in a 25 meter pool, a feat matched on January 22, 2005, by South African Roland Schoeman.
Pieter van den Hoogenband of the Netherlands swam the same distance in 47.84 seconds on September 19, 2000, the fastest time in a 50 meter pool.
The men's world record at 10,000 meters is held by Kenenisa Bekele of Ethiopia at 26:17.53 set in 2005. The woman's world record is held by Wang Junxia of China at 29:31.78 set in 1993.
The womens 800 meter world record is 8:16.22 by Janet Evans (USA) Aug 20, 1989.
usain bolt of Jamaica with a record of 19.19
Natalia Lisovskaya
As of 2011, Javier Sotomayor holds the mens world record at 2.45 meters. Stefka Kostadinova holds the womens world record at 2.09 meters.
sally jones from india
Florence Griffiths Joyner in 21.34
usain bolt
florence griffith-joyner
The world record is 1:53.28 set by Jarmila Kratochvílová in München on the 26 July 1983.
Usain Bolt holds the world record at 9.69 seconds for the 100 meter dash. Usain Bolt holds the world record at 19.30 seconds for the 200 meter dash. Michael Johnson holds the world record at 43.18 seconds for the 400 meter dash. So I would say Usain Bolt.
Daniel Koman.
Usain Bolt, Jamaica