Rosey Effiong
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| Nationality | .png) United States | 
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| Born | (2001-05-08) 8 May 2001 | 
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| Sport | Athletics | 
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| Event | Sprint | 
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| Personal best(s) | 200m: 22.85 (Baton Rouge, 2023) 400m: 49.72 (Eugene, 2024)
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 Rosey Effiong (born 8 May 2001) is an American track and field athlete who competes in the 400 metres. She has won gold medals in the 4 x 400 metres relay at the World Athletics Championships and World Athletics Indoor Championships.[1] 
 Early life
 From Dallas, Texas, she attended DeSoto High School. Effiong began at the University of Arkansas and ran for the Arkansas Razorbacks from 2020.[2][3] 
 Career
 Competing at the 2023 USA Outdoor Track and Field Championships, in Eugene, Oregon, she finished fifth in the final of the 400 m.[4][5] She was subsequently selected for the USA relay pool for the 2023 World Athletics Championships in Budapest in August 2023 and competed in the mixed 4 × 400 m relay.[6] She won a gold medal as the USA team set a new world record time of 3:08.80.[7] The world record time set by Effiong, Alexis Holmes, Matthew Boling and Justin Robinson was ratified by World Athletics in November 2023.[8] 
She met the 2024 Paris Olympics standard running 50.75 seconds for the 400 m at the SEC Championship in Gainesville, Florida on 11 May 2024.[9] 
She was runner-up to Alexis Holmes over 400 metres at the 2025 USA Indoor Track and Field Championships.[10] She was selected for the 2025 World Athletics Indoor Championships in Nanjing in March 2025, where she qualified for the final.[11][12] She also won gold in the women's 4 × 400 metres relay.[13] She qualified for the final of the 400 metres at the 2025 USA Outdoor Track and Field Championships, placing eighth overall in 51.29 seconds.[14] 
 References
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|  2019:  Courtney Okolo, Michael Cherry, Wilbert London, Allyson Felix, Tyrell Richard, Jessica Beard, Jasmine Blocker, Obi Igbokwe (USA)2022:  Fiordaliza Cofil, Lidio Andrés Feliz, Alexander Ogando, Marileidy Paulino (DOM)2023:  Justin Robinson, , Matthew Boling, Alexis Holmes, Ryan Willie (USA)
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|  1991:  Germany (Seuser, Schreiter, Hesselbarth, Breuer)1993:  Jamaica (Hemmings, Grant, Rattray-Williams, Richards)1995:  Russia (Chebykina, Ruzina, Kulikova, Goncharenko)1997:  Russia (Chebykina, Goncharenko, Kotlyarova, Alekseyeva)1999:  Russia (Chebykina, Goncharenko, Kotlyarova, Nazarova)2001:  Russia (Nosova, Zykina, Sotnikova, Kotlyarova)2003:  Russia (Antyukh, Pechonkina, Zykina, Nazarova)2004:  Russia (Krasnomovets, Kotlyarova, Levina, Nazarova)2006:  Russia (Levina, Nazarova, Krasnomovets, Antyukh)2008:  Russia (Gushchina, Levina, Nazarova, Zykina)2010:  United States (Dunn, Trotter, Hastings, Felix)2012:  Great Britain (Cox, Sanders, Ohuruogu, Shakes-Drayton)2014:  United States (Hastings, Atkins, McCorory, Tate, Hayes, Hargrove)2016:  United States (Hastings, Hayes, Okolo, Spencer)2018:  United States (Hayes, Moline, Wimbley, Okolo)2022:  Jamaica (Bromfield, Russell, McGregor, McPherson, James)2024:  Netherlands (Klaver, Peeters, De Witte, Bol, Van der Schoot, Saalberg)2025:  United States (Hayes, Lear, , Holmes)
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| 2025 World Athletics Championships Team USA Track & Field | 
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| Qualification |  |  | 
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| Women's track and road athletes
 |  Melissa Jefferson-Wooden Women's 100mKayla White Women's 100mAleia Hobbs Women's 100mMelissa Jefferson-Wooden Women's 200mAnavia Battle Women's 200mGabrielle Thomas Women's 200mSydney McLaughlin-Levrone Women's 400mIsabella Whittaker Women's 400mAaliyah Butler Women's 400mRoisin Willis Women's 800mMaggi Congdon Women's 800mSage Hurta-Klecker Women's 800mNikki Hiltz Women's 1,500mSinclaire Johnson Women's 1,500mEmily Mackay Women's 1,500mLexy Halladay-Lowry Women's 3,000m SteeplechaseAngelina Napoleon Women's 3,000m SteeplechaseKaylee Mitchell Women's 3,000m SteeplechaseShelby Houlihan Women's 5,000mElise Cranny Women's 5,000mJosette Andrews Women's 5,000mEmily Infeld Women's 10,000mElise Cranny Women's 10,000mTBD- Taylor Roe/Weini Kelati Women's 10,000mLauren Harris Women's 20km Race WalkKatie Burnett Women's 35km Race WalkMiranda Melville Women's 35km Race WalkMaria Michta-Coffey Women's 35km Race WalkJessica McClain Women's MarathonSusanna Sullivan Women's MarathonErika Kemp Women's MarathonMasai Russell Women's 100m HurdlesGrace Stark Women's 100m HurdlesAlaysha Johnson Women's 100m HurdlesDalilah Muhammad Women's 400m HurdlesAnna Cockrell Women's 400m HurdlesJasmine Jones Women's 400m HurdlesTwanisha Terry Women's 4x100m Relay poolTamari Davis Women's 4x100m Relay poolJacious Sears Women's 4x100m Relay poolLynna Irby Jackson Women's 4x400m Relay poolAlexis Holmes Women's 4x400m Relay poolBritton Wilson Women's 4x400m Relay poolQuanera Hayes Mixed 4x400m Relay pool Mixed 4x400m Relay pool
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| Women's field athletes |  | 
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| Men's track and road athletes
 |  Kenny Bednarek Men's 100mCourtney Lindsey Men's 100mT'Mars McCallum Men's 100mNoah Lyles Men's 100mNoah Lyles Men's 200mKenny Bednarek Men's 200mRobert Gregory Men's 200mCourtney Lindsey Men's 200mJacory Patterson Men's 400mChris Bailey Men's 400mKhaleb McRae Men's 400mDonavan Brazier Men's 800mCooper Lutkenhaus Men's 800mBryce Hoppel Men's 800mJonah Koech Men's 1,500mEthan Strand Men's 1,500mCole Hocker Men's 1,500mKenneth Rooks Men's 3,000m SteeplechaseDaniel Michalski Men's 3,000m SteeplechaseTBD Men's 3,000m SteeplechaseCole Hocker Men's 5,000mGrant Fisher Men's 5,000mNico Young Men's 5,000mNico Young Men's 10,000mGrant Fisher Men's 10,000mGraham Blanks Men's 10,000mClayton Young Men's MarathonCJ Albertson Men's MarathonReed Fischer Men's MarathonJa'Kobe Tharp Men's 110m HurdlesCordell Tinch Men's 110m HurdlesDylan Beard Men's 110m HurdlesGrant Holloway Men's 110m HurdlesRai Benjamin Men's 400m HurdlesCaleb Dean Men's 400m HurdlesChris Robinson Men's 400m HurdlesTrayvon Bromell Men's 4x100m Relay poolChristian Coleman Men's 4x100m Relay poolVernon Norwood Men's 4x400m Relay poolJenoah McKiver Men's 4x400m Relay poolBryce Deadmon Men's 4x400m Relay poolDemarius Smith Mixed 4x400m Relay pool
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| Men's field athletes |  | 
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| Coaches and staff |  Caryl Smith-Gilbert Women’s Head Coach - Sprints/HurdlesKibwe Johnson Men’s Head Coach - ThrowsJillian Camarena-Williams Women’s Assistant Coach - ThrowsKevin Reid 	Men’s Assistant Coach - Multis/JumpsConnie Teaberry 	Women’s Assistant Coach - Multis/JumpsRahn Sheffield 	Men’s Assistant Coach - Sprints/HurdlesMegan Watson 	Women’s Assistant Coach - DistanceChris Lundstrom 	Men’s Assistant Coach - DistanceJess Riden Women’s Head ManagerBlake Boldon Men’s Head ManagerDarryl Woodson  Head Relay CoachDavid Watkins	Event ManagerClif McKenzie Event ManagerChristie-Lee Coad Head ATCBrittany Garcia 	ATCMakini Cruickshank 	ATCHarris Patel 	PT/ATCChris Yee 	LMTKaren Standley 	LMTAsdrubal Lopez 	DCErika Davis 	DCTodd Arnold 	MDChris Jordan 	MDBreigh Jones-Coplin 	Sport Psychologist
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| United States 2025 World Athletics Indoor Championships team | 
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| Qualification |  |  | 
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| Men's track |  | 
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| Men's field |  | 
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| Women's track |  | 
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| Women's field |  | 
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| Coaches & event managers |  Women's Head Coach - Throws Men's Head Coach – Sprints/Hurdles Women's Jumps/Multis Men's Jumps/Multis Women's Sprints/Hurdles Men's Throws Women's Distance Men's Distance Women's Head Manager Men's Head Manager Event Manager Martin PalaviciniRadious Guess
Head Relay Coach 
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| Qualification |  |  | 
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| Women's track and road athletes
 |  Sha'Carri Richardson Women's 100mBrittany Brown Women's 100mTamari Davis Women's 100mGabby Thomas Women's 200mSha'Carri Richardson Women's 200mKayla White Women's 200mBritton Wilson Women's 400mTalitha Diggs Women's 400mLynna Irby-Jackson Women's 400mAthing Mu Women's 800mNia Akins Women's 800mRaevyn Rogers Women's 800mKaela Edwards Women's 800mNikki Hiltz Women's 1,500mCory McGee Women's 1,500mSinclaire Johnson Women's 1,500mKrissy Gear Women's 3,000m SteeplechaseEmma Coburn Women's 3,000m SteeplechaseCourtney Wayment Women's 3,000m SteeplechaseElise Cranny Women's 5,000mAlicia Monson Women's 5,000mNatosha Rogers Women's 5,000mAlicia Monson Women's 10,000mNatosha Rogers Women's 10,000mElise Cranny Women's 10,000mMiranda Melville Women's 35km Race WalkMaria Michta-Coffey Women's 35km Race WalkStephanie Casey Women's 35km Race WalkKeira D'Amato Women's MarathonSusanna Sullivan Women's MarathonLindsay Flanagan Women's MarathonNia Ali Women's 100m HurdlesKeni Harrison Women's 100m HurdlesMasai Russell Women's 100m HurdlesShamier Little Women's 400m HurdlesDalilah Muhammad Women's 400m HurdlesAnna Cockrell Women's 400m HurdlesTamara Clark Women's 4x100m Relay poolMelissa Jefferson Women's 4x100m Relay poolTwanisha Terry Women's 4x100m Relay poolLynna Irby-Jackson Women's 4x400m Relay pool Women's 4x400m Relay poolMakenzie Dunmore Women's 4x400m Relay poolAlexis Holmes Mixed 4x400m Relay poolQuanera Hayes Mixed 4x400m Relay pool
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| Women's field athletes |  | 
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| Men's track and road athletes
 |  Fred Kerley Men's 100mCravont Charleston Men's 100mChristian Coleman Men's 100mNoah Lyles Men's 100mNoah Lyles Men's 200mErriyon Knighton Men's 200mKenny Bednarek Men's 200mCourtney Lindsey Men's 200mMichael Norman Men's 400mBryce Deadmon Men's 400mVernon Norwood Men's 400mQuincy Hall Men's 400mBryce Hoppel Men's 800mIsaiah Harris Men's 800mClayton Murphy Men's 800mYared Nuguse Men's 1,500mCole Hocker Men's 1,500mJoe Waskom Men's 1,500mKenneth Rooks Men's 3,000m SteeplechaseBenard Keter Men's 3,000m SteeplechaseIsaac Updike Men's 3,000m SteeplechaseAbdihamid Nur Men's 5,000mPaul Chelimo Men's 5,000mSean McGorty Men's 5,000mWoody Kincaid Men's 10,000mJoe Klecker Men's 10,000mSean McGorty Men's 10,000mNick Christie Men's 20km Race WalkZach Panning Men's MarathonElkanah Kibet Men's MarathonNico Montanez Men's MarathonGrant Holloway Men's 110m HurdlesDaniel Roberts Men's 110m HurdlesCordell Tinch Men's 110m HurdlesFreddie Crittenden Men's 110m HurdlesRai Benjamin Men's 400m HurdlesTrevor Bassitt Men's 400m HurdlesCJ Allen Men's 400m HurdlesBrandon Carnes Men's 4x100m Relay poolJ.T. Smith Men's 4x100m Relay poolJustin Robinson Men's 4x400m Relay poolRyan Willie Men's 4x400m Relay poolMatthew Boling Men's 4x400m Relay poolChris Bailey Mixed 4x400m Relay pool
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| Men's field athletes |  | 
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| Coaches and staff |  Dena Evans Women’s Head Coach - DistanceKevin Reid 	Men’s Head Coach - Jumps/MultisPam Marquez 	Women’s Assistant Coach - Jumps/MultisTerrence Mahon 	Men’s Assistant Coach - DistanceApril Smith 	Women’s Assistant Coach - ThrowsKibwé Johnson 	Men’s Assistant Coach - ThrowsJoel Brown 	Women’s Assistant Coach - Sprints/HurdlesAllen Johnson 	Men’s Assistant Coach - Sprints/HurdlesJennifer Nanista-Stephens 	Women’s Head ManagerClif McKenzie 	Men’s Head ManagerMechelle Lewis-Freeman 	Women’s Head Relay CoachMike Marsh 	Men’s Head Relay CoachBlake Boldon 	Event ManagerWendy Truvillion 	Event ManagerDustin Williams 	Co-head ATCChristie-Lee Coad 	Co-head ATCYolanda Lawrence 	ATCHarris Patel 	PT/ATCJerrica Thomas 	PTChris Yee 	LMTChris Thomas 	LMTKaren Standley 	LMTAsdrubal Lopez 	DCConnie Hayes 	DCMonique Burton 	MDAmadeus Mason 	MDChris Stanley 	Sport PsychologistSean McCann 	USOPC Sport PsychologistAlicia Glass 	USOPC DieticianJade Lee 	Nutrition
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| Authority control databases: People |  | 
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