On the female side, a rich field boasts 10 U.S. Olympians including American record-holders Katie Hoff (Towson, Md. / North Baltimore), Amanda Weir (Lawrenceville, Ga. / Swim Atlanta) and Kaitlin Sandeno (Lake Forest, Calif. / Club Wolverine).
The U.S. Open will begin on Thursday, Nov. 30, with prelims starting at 9:30 a.m. Finals will be contested each evening beginning at 6 p.m. Highlights of the three-day schedule include the womens 200m IM on Thursday which will see a field of swimmers led by Hoff, the American record-holder in the event. Following the womens race, Phelps and Olympic gold medalist Ryan Lochte (Daytona Beach, Fla. / Daytona Beach Swimming) will square off in the mens 200m IM.
On Friday, world record-holder Peirsol will face Olympic champion Krayzelburg in the 200m backstroke for the first time since the 2004 Olympics. Following that race is the mens 200m freestyle, featuring American record-holder Phelps. Friday also includes a match-up in the womens 400m IM between the American record-holder Sandeno and the U.S. Open record-holder, Hoff.
On the final day of competition, Olympic silver medalists Weir and Maritza Correia (Athens, Ga. / Athens Bulldog) will compete in the 100m freestyle. A heavily-decorated field including Phelps, Jones, Klete Keller (Phoenix, Ariz. / Club Wolverine), Lochte and Crocker will race in the mens event.
About USA Swimming: As the National Governing Body for competitive swimming in the United States, USA Swimming formulates the rules, implements policies and procedures, conducts national championships, disseminates safety and sports medicine information and selects athletes to represent the United States in international competition. USA Swimming has more than 300,000 members nationwide and sanctions more than 7,000 events each year. For more information, visit USA Swimming.

