50 yds is not a recognised distance in competitive swimming, the closest distance actually competed is 50m freestyle which is approximately 10% further and the world record is 20.48s by Amaury LEVEAUX
The women's record for the 500 yard freestyle swim is held by Katie Ledecky with a time of 4:24.06 set in 2018.
What the hell is a fourth yard?!
4.3
The fastest 40 yard dash time is 4.22 seconds, achieved by John Ross at the NFL Scouting Combine in 2017.
4.40 was Chad Johnson's fastest time.
The fastest time for swimming the 50-yard butterfly is 21.11 seconds, achieved by Caeleb Dressel at the 2018 NCAA Division I Men's Swimming and Diving Championships. Dressel set this record while competing for the University of Florida.
Vernon davis
he was the fastest, running a 4.2 forty yard dash.
The NFL's fastest official 40 yard dash time was 4.25 seconds by cornerback Fabian Washington.
A two-hundred yard freestyle is an event at a swim meet in which the swimmer will swim the freestyle stroke back and forth across a normal pool four times (twice across, twice back).
4.33 -Unofficial. His Official fastest time is 4.41
Bo Jackson ran a 4.12 but it was not electronically timed and therfore could not be verified. Chris Johnson ran a 4.24 at the NFL Combine: The fastest electronically timed 40 yard dash.