Not only did they pass the baton from runner to runner fluidly but they also clocked a 40.82 - second run to win both the gold medal and the world record .
Fluidly did not happen during the two previous Olympic Games .
Not only did they pass the baton from runner to runner fluidly , which did not happen during the two previous Olympic Games , but they also clocked a 40.82 - second run to win both the gold medal and the world record .