Florence Griffith-Joyner (Flo Jo) was a track and field star who currently holds the world record in the 100 meter dash and 200 meter dash.
That is Kenenisa Bekele of Ethiopia who set the record at 26:17.53 at the Van Damme Memorial meet in Brussels, Belgium in August, 2005.
1:41.11 by Wilson Kipketer in 1997
The WORLD RECORD for MEN1:41.11 Wilson Kipketer DEN Köln 24 August 1997
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.
As of the 2008 Games, that would be Florence Griffith-Joyner of the United States who ran a 10.62 at the 1988 Summer Olympics in Seoul.
Svetlana Masterkova is a Russian track and field athlete who won the gold medal in the 800 meter and 1500 meter races at the 1996 Summer Olympics in Atlanta. She currently holds the women's world record for the mile run at 4:12.56.
Steven Hooker holds the Olympic record in the Pole Vault. He is Australian.
Secretariat holds the mile and a half stakes record which is 2:24
OR: 29:54, Tirunesh Dibaba, Beijing 2008 (3rd on the all-time list) WR: 29:31, Wang Junxia, Chinese National Games, Beijing 1993