Is 12 miles per hour as fast as Michael Phelps?
It's about three times as fast as Michael Phelps
The speed of Michael Phelps is about 4.34520 miles per hour.
(at the Beijing Olympics, 2008; 200 m freestyle) (a.k.a. Michael Fred Phelps) (swimmer; 1985-)
Setting a world record, Michael Phelps swam the 200 m freestyle in 1:42.96 for an average speed of 4.34520 miles per hour. Phelps would go on to win nine gold medals individually in the 2008 Olympics - more than all but eight of the competing nations.
There's more! See other comparisons to 12 miles per hour...