He started the race with a very fast pace, within world record time.
The team also set a new world record time of 3:14.051 in this event.
The team won the gold medal in a world record time.
Smith later recorded a world record time of 4:17.3 in the 1500m.
All three teams were under the old world record time.
He did so in a new world record time of 2:15:17.
Johnson had won the 100-meter final in a world record time of 9.79 seconds.
The team set a world record time of 41.78 seconds.
Instead, he was asked to train for the 400m, and won in world record time.
South Africa won with a world record time of 41.78 seconds.