Urged on by a vocal standing room only crowd, Michael Phelps closed out his weekend at the Maryland Swim Championships by setting the U.S. record in the 200 yard butterfly at the U.S. Naval Academy on Sunday.
Phelps breaks own US record
Seeded on Wed Mar 10, 2010 10:16 PM EST (NBC Sports)
— Filed under: sports, swimming, michael-phelps, ryan-lochte, aquatics, natalie-coughlin, mens-aquatics

