To accomplish this, he ran the last quarter in 22 seconds.
She ran the final in 55.99 seconds, setting a new world record to take gold.
Of the 80 who tried out, just two ran the 60-yard dash in less than 7 seconds.
He also set a national record for the 300 meters, running it in 37 seconds.
Mercedes says it can run from a stop to 60 miles an hour in 7.7 seconds.
The next day, he ran the event in 9.4 seconds, but the record was not recognized due to wind conditions.
She ran the 80-meter hurdles for her team and won the first heat running it in 10.6 seconds.
That's why he could run his final 400-meter lap in 60 seconds.
He ran the final 400 meters of that race in 51.29 seconds.
You don't have to run 40 yards in 4.2 seconds.
