Lynn Davies is the Welsh record holder with 8.23m. He was also the Olympic gold medallist in 1964.
19.30
Wilson Kipketer of Denmark holds seven of the ten fastest 800m times in history, including his world record of 1.41.11 from 1997.
The Olympic 400m men freestyle record is 3:40.59 by Ian Thrope.
Hazely Croftford
No
Asbel Kiprop
12.87
Mike Powell
Noah Ngeny
It's Usain Bolt!
usian bolt