Usain Bolt, from Jamaica, holds the world record for the Men's 100m Sprint. His winning time it 9.58 seconds since 2012. The Women's record holder has been Florence Griffith-Joyner since 1988 with 10.49 seconds.
Florence Griffiths-Joyner
Asafa Powell was the world record holder with 9.77s, he subsequently run 9.74s.
David Ambler - 100m record of 10.41s
Paul Nash 100m record was in 1968
A running track that has 2*100m straights and 2* 100m bends is 460.1m
There were 2 significant world records in running in 2009, namely the 100m and 200m. Both were set by Usain Bolt from Jamaica at the World Championships in Berlin, Germany. His time for the 100m was 9.85 seconds and for the 200m 19.19 seconds.
Kristy Coventry from Zimbabwe rewrote the world record for the women's 100m breastroke, and the record is 58.77 seconds.
Because in 100m they start still whereas in the relay they are already running.. If they started the 100m in a running position, it would be a lot faster
10.49s
9.69s
47sec
9.91