A continuacion os presentamos el equipo de Estados unidos para las olimpiadas. Despues de los trials de seleccion ha salido el listado oficial de atletas.

Team USA Track & Field Olympic Roster - Women

100m: Muna Lee (Santa Rosa, Calif.); Torri Edwards (Irvine, Calif.); Lauryn Williams (Miami, Fla.)

200m: Allyson Felix (Los Angeles); Muna Lee (Santa Rosa, Calif.); Marshevet Hooker (Pfugerville, Texas)

400m: Sanya Richards (Austin, Texas); Mary Wineberg (Cincinnati, Ohio); Dee Dee Trotter (Knoxville, Tenn.)

800m: Hazel Clark (Knoxville, Tenn.); Alice Schmidt (Chula Vista, Calif.); Nicole Teter (Eugene, Ore.)

1500m: Shannon Rowbury (San Francisco); Erin Donahue (Haddonfield, N.J.); Christin Wurth-Thomas (Springdale, Ark.)

5000m: Kara Goucher (Portland, Ore.); Jennifer Rhines (Mammoth Lakes, Calif.); Shalane Flanagan (Pittsboro, N.C.)

10,000m: Shalane Flanagan (Pittsboro, N.C.); Kara Goucher (Portland, Ore.); Amy Begley (Beaverton, Ore.)

Marathon: Deena Kastor (Mammoth Lakes, Calif.); Magdalena Lewy Boulet (Oakland, Calif.); Blake Russell (Pacific Grove, Calif.)

3000m Steeplechase: Anna Willard (Ann Arbor, Mich.); Lindsey Anderson (Ogden, Utah); Jennifer Barringer (Boulder, Colo.)

110m Hurdles: Lolo Jones (Baton Rouge, La.); Damu Cherry (Winter Garden, Fla.); Dawn Harper (Los Angeles)

400m Hurdles: Tiffany Ross-Williams (Kissimmee, Fla.); Queen Harrison (Mechanicsville, Va.); Sheena Tosta (Chula Vista, Calif.)

20 km Race Walk: Joanne Dow (Manchester, N.H.)

Heptathlon: Hyleas Fountain (Kettering, Ohio); Jacquelyn Johnson (Tempe, Ariz.); Diana Pickler (Sachse, Texas)

High Jump: Chaunte Howard (Snellville, Ga.); Amy Acuff (Isleton, Calif.); Sharon Day (Costa Mesa, Calif.)

Pole Vault: Jennifer Stuczynski (Churchville, N.Y.); April Steiner (Springdale, Ark.); Erica Bartolina (Hammond, La.)

Long Jump: Brittney Reese (University, Miss.); Grace Upshaw (Los Altos Hills, Calif.); Funmi Jimoh (Stafford, Texas)

Triple Jump: Shani Marks (Brooklyn Park, Minn.); Erica McLain (Plano, Texas)
Shot Put: Michelle Carter (Ovilla, Texas); Kristin Heaston (Opelika, Ala.); Jillian Camarena (Tucson, Ariz.)

Discus: Aretha Thurmond (Federal Way, Wash.) Suzy Powell-Roos (Modesto, Calif.); Stephanie Trafton Brown (Galt, Calif.)

Hammer Throw: Jessica Cosby (Mission Hills, Calif.); Amber Campbell (Myrtle Beach, S.C.); Loree Smith (Eugene, Ore.)

Javelin Throw: Kara Patterson (West Lafayette, Ind.); Kim Kreiner (Fresno, Calif.)

4x100m relay pool: Muna Lee (Santa Rosa, Calif.); Torri Edwards (Irvine, Calif.); Lauryn Williams (Miami, Fla.); Angela Williams (Ontario, Calif.); Mechelle Lewis (Cary, N.C.); LaShaunte'a Moore (Fayetteville, Ark.); plus anyone already on the roster in an individual event

4x400m relay pool: Sanya Richards (Austin, Texas); Mary Wineberg (Cincinnati, Ohio); Dee Dee Trotter (Knoxville, Tenn.); Monique Henderson (Chula Vista, Calif.); Natasha Hastings (Clermont, Fla.); Ebonie Floyd (Fresno, Texas); anyone already on the roster in an individual event

Team USA Track & Field Olympic Roster - Men

100m: Tyson Gay (Clermont, Fla.); Walter Dix (Ft. Lauderdale, Fla.), Darvis Patton (Ft. Worth, Texas)

200m: Walter Dix (Ft. Lauderdale, Fla.); Shawn Crawford (Los Angeles); Wallace Spearmon (Fayetteville, Ark.)
400m: LaShawn Merritt (Suffolk, Va.); Jeremy Wariner (Waco, Texas); David Neville (Valencia, Calif.)

800m: Nick Symmonds (Springfield, Ore.); Andrew Wheating (Eugene, Ore.); Christian Smith (Eugene, Ore.)

1500m: Bernard Lagat (Tucson, Ariz.); Lopez Lomong (Colorado Springs, Colo.); Leonel Manzano (Austin, Texas)

5000m: Bernard Lagat (Tucson, Ariz.); Matt Tegenkamp (Madison, Wis.); Ian Dobson (Mammoth Lakes, Calif.)

10,000m: Abdi Abdirahman (Tucson, Ariz.); Galen Rupp (Portland, Ore.); Jorge Torres (Boulder, Colo.)

Marathon: Ryan Hall (Palo Alto, Calif.); Dathan Ritzenhein (Eugene, Ore.); Brian Sell (Rochester Hills, Mich.

3000m Steeplechase: Anthony Famiglietti (Knoxville, Tenn.); William Nelson (Longmont, Colo.); Joshua McAdams (Orem, Utah)

110m Hurdles: David Oliver (Kissimmee, Fla.); Terrence Trammell (Atlanta, Ga.); David Payne (Hampton, Va.)

400m Hurdles: Bershawn Jackson (Raleigh, N.C.); Kerron Clement (Gainesville, Fla.); Angelo Taylor (Decatur, Ga.)

20 km Race walk: Kevin Eastler (Aurora, Colo.)

50 km Race walk: Philip Dunn (San Diego, Calif.)

Decathlon: Bryan Clay (Glendora Calif.); Trey Hardee (Austin, Texas); Tom Pappas (Manhattan, Kan.)

High Jump: Jesse Williams (Eugene, Ore.); Andra Manson (Austin, Texas); Dustin Jonas (Lincoln, Neb.)

Pole Vault: Derek Miles (Tea, S.D.); Jeff Hartwig (Jonesboro, Ark.); Brad Walker (Mountlake Terrace, Wash.)

Long Jump: Trevell Quinley (Chula Vista, Calif.); Brian Johnson (Baton Rouge, La.); Miguel Pate (St. Francisville, La.)

Triple Jump: Aarik Wilson (Lawrence, Kan.); Kenta Bell (Decatur, Ga.); Rafeeq Curry (Tallahassee, Fla.)

Shot Put: Reese Hoffa (Athens, Ga.); Christian Cantwell (Columbia, Mo.); Adam Nelson (Charlottesville, Va.)

Discus: IanWaltz (Chula Vista, Calif.); Michael Robertson (Beebe, Ark.); Casey Malone (Fort Collins, Colo.)

Hammer Throw: A.G. Kruger (Ashland, Ohio)

Javelin Throw: Leigh Smith (Destrehan, La.); Mike Hazle (Chula Vista, Calif.); Breaux Greer* (Scottsdale, Ariz.)

4x100m relay pool: Tyson Gay (Clermont, Fla.); Walter Dix (Ft. Lauderdale, Fla.), Darvis Patton (Ft. Worth, Texas), Travis Padgett (Shelby, N.C.); Rodney Martin (Raleigh, N.C.); Leroy Dixon (Los Angeles); plus anyone already on the roster in an individual event

4x400m relay pool: LaShawn Merritt (Suffolk, Va.); Jeremy Wariner (Waco, Texas); David Neville (Valencia, Calif.); Reggie Witherspoon (Baltimore, Md.); Calvin Smith (Gainesville, Fla.); Darold Williamson (Waco, Texas); plus anyone already on the roster in an individual event