Olympics: Swimming-Men's 4x100m Medley Relay-FinalMichael Phelps (Michael Madrid-USA TODAY Sports)

COLORADO SPRINGS, Colo. – Olympic gold medalists and world record holders Michael Phelps (Baltimore, Md.), Ryan Lochte (Daytona Beach, Fla.) and Katie Ledecky (Bethesda, Md.) are expected to headline a star-studded field for next week’s Arena Grand Prix at Mesa, slated for April 24-26 at the Skyline Aquatic Center.

A record-setting 22-time Olympic Games medalist, Phelps is expected to swim competitively for the first time since winning six medals, four of them gold, at the 2012 London Olympic Games.

In addition to the record-setting trio of Phelps, Lochte and Ledecky, Olympic medalists with Arizona ties expected to compete include Tucson resident Matt Grevers (Lake Forest, Ill.) and Tucson native Caitlin Leverenz. University of Arizona NCAA champions Kevin Cordes (Naperville, Ill.) and Margo Geer (Milford Center, Ohio) also are slated to swim.     

Other top U.S. athletes expected to compete in Mesa include Olympic medalists Nathan Adrian (Bremerton, Wash.), Elizabeth Beisel (Saunderstown, R.I.), Tyler Clary (Riverside, Calif.), Natalie Coughlin (Vallejo, Calif.), Natalie Coughlin (Winnetka, Ill.), Anthony Ervin (Valencia, Calif.), Jimmy Feigen (San Antonio, Texas) and Allison Schmitt (Canton, Mich.).

The more than 500 athletes expected to compete include nearly 50 members of the USA Swimming National Team.

Universal Sports Network will televise live coverage from the Arena Grand Prix at Mesa on Friday, April 25 and Saturday, April 26 at 8 p.m. EDT. Click here to find Universal Sports Network on your television provider.

(From USA Swimming Press Release)