It was neither a world nor Olympic record. The world record in women's 400 meter dash was 47.60 seconds set by Marita Koch of East Germany in 1985. The Olympic record was 48.25 seconds set by Marie-José Pérec of France at the 1996 Games in Atlanta. Cathy won the gold medal in 2000 in a time of 49.11 seconds.
10.49s
In the 2012 Olympics Usain Bolt won the 100 Meter with a time of 9.6, a new Olympic record.
Tirunesh Dibaba has the world record in the 5,000 meter run at 14:11.15 and the Olympic record in the 10,000 meter run at 29:54.66.
11.2
19.30 seconds
Usain Bolt - with a time of 9.58
13.25 seconds
5:30
The current world record holder for the women's 10,000 meter swim is Hungary's Eva Risztov. She set the record with a time of 1 hour, 59 minutes, and 27.3 seconds in 2012.
The men's world record in the 400 meter dash is 43.18 seconds. The men's world record in the 400 meter hurdles is 46.78 seconds. This is a difference of 3.60 seconds. The women's world record in the 400 meter dash is 47.60 seconds. The women's world record in the 400 meter hurdles is 52.34 seconds. This is a difference of 4.74 seconds.
Michael Johnson (USA) set the 200 Meter Dash World Record at the 1996 Atlanta Olympic Games with a time of 19.32 seconds.