20:58 ...Usain Bolt
The average speed of the world record in the 100m dash is around 37.58 km/h (23.35 mph).
The current World Record for the men's 100M Sprint is 9.58 seconds by Usain Bolt of Jamaica. The current World Record for the women's 100M Sprint is 10.49 Seconds by Florence Griffith-Joyner of the USA.
Set the world record in the 100m dash portion of the race
Florence Griffith-Joyner holds the women's world record in the 100 meter dash at 10.49 set in 1988. Usain Bolt holds the men's world record in the 100 meter dash running the distance in 9.58 seconds at the 2009 World Championships in Beijing.
9.58s for men and 10.49s for women.
Usain Bolt from Jamaica is the world record holder and the Olympic Champion
Usain Bolt with 9.58s
Kristy Coventry from Zimbabwe rewrote the world record for the women's 100m breastroke, and the record is 58.77 seconds.
Florence Griffiths-Joyner with 10.49s.
Men: Usain Bolt Women: Florence Griffith Joyner
In fact he ran his world record of 10.2 seconds in his 100m Quarter-Final of the Berlin Olympics of 1936. His best in the 100 yard dash was 9.4 seconds, equalling the World Record.
Florence Griffith-Joyner holds the women's world record in the 100 meter dash at 10.49 seconds set in 1988.