4 X 100 Meter Relay World Record. And they got it — in the form of a gold medal and a new world record with a time of 3:37.43. Ryan murphy launched into an.

At the 2012 olympics the us quartet of tianna madison, allyson felix, bianca knight and carmelita jeter wiped more than half a second from the women’s 4x100m world record. Here is some history of the 4 x 100 meter world record progression.