CCCAN
ISL
United States
Afghanistan
Albania
Algeria
American Samoa
Andorra
Angola
Antigua & Barbuda
Argentina
Armenia
Aruba
Australia
Austria
Azerbaijan
Bahamas
Bahrain
Bangladesh
Barbados
Belarus
Belgium
Belize
Benin
Bermuda
Bhutan
Bohemia
Bolivia
Bosnia-Herzegovina
Botswana
Brazil
British Virgin Islands
Brunei
Bulgaria
Burkina Faso
Burma
Burundi
Cambodia
Cameroon
Canada
Cape Verde
Cayman Islands
Central African Republic
Ceylon
Chad
Chile
China
Chinese Taipei
Colombia
Comoros Islands
Congo
Cook Islands
Costa Rica
Croatia
Cuba
Curaçao
Cyprus
Czech Republic
Denmark
Djibouti
Dominica
Dominican Republic
Ecuador
Egypt
El Salvador
England
Equatorial Guinea
Eritrea
Estonia
Ethiopia
Faroe Islands
Fiji
Finland
Formosa
France
Gabon
Gambia
Georgia
Germany
Ghana
Gibraltar
Great Britain
Greece
Grenada
Guam
Guatemala
Guinea
Guinea-Bissau
Guyana
Haiti
Hawaii
Honduras
Hong Kong
Hungary
Iceland
India
Indonesia
Iran
Iraq
Ireland
Israel
Italy
Ivory Coast
Jamaica
Japan
Jordan
Kazakhstan
Kenya
Kiribati
Korea (South)
Kosovo
Kuwait
Kyrgyzstan
Laos
Latvia
Lebanon
Lesotho
Liberia
Libya
Liechtenstein
Lithuania
Luxembourg
Macau
Madagascar
Malawi
Malaysia
Maldives
Mali
Malta
Mariannes Islands
Marshall Islands
Mauritania
Mauritius
Mexico
Micronesia
Moldova
Monaco
Mongolia
Montenegro
Morocco
Mozambique
Myanmar
Namibia
Nauru
Nepal
Netherlands
New Zealand
Nicaragua
Niger
Nigeria
North Macedonia
Northern Ireland
Norway
Oman
Pakistan
Palau
Palestine
Panama
Papua New Guinea
Paraguay
Peru
Philippines
Poland
Portugal
Puerto Rico
Qatar
Rhodesia
Romania
Russia
Rwanda
Saint Lucia
Samoa
San Marino
Sao Tome & Principe
Saudi Arabia
Scotland
Senegal
Serbia
Serbia & Montenegro
Seychelles
Sierra Leone
Singapore
Slovakia
Slovenia
Solomon Islands
Somalia
South Africa
Spain
Sri Lanka
St. Kitts & Nevis
St. Vincent & Grenadines
Sudan
Suriname
Swaziland
Sweden
Switzerland
Syria
Tahiti
Tajikistan
Tanzania
Thailand
Togo
Tonga
Trinidad & Tobago
Tunisia
Turkmenistan
Turks and Caicos Islands
Türkiye (Turkey)
Uganda
Ukraine
United Arab Emirates
Uruguay
Uzbekistan
Vanuatu
Venezuela
Vietnam
Virgin Islands
Wales
Yemen
Yemen, PDR
Zaire
Zambia
Zimbabwe
Division 1
Division 2
Division 3
NAIA
NJCAA
CCCAA
Division 1 Mid-Major
Allegheny
America East
American Athletic
American Rivers
Appalachian Athletic
Appalachian Swim
Atlantic 10
ACC
Atlantic East
ASUN
Big East
Big Ten
Big 12
Bluegrass
Capital
Centennial
Chicagoland
CUNYAC
Coastal
CCIW
CCS
C-USA
Carolinas
ECAC
Empire 8
GLIAC
GLVC
GMAC
GNAC
Heartland
Horizon
Independent
Ivy
KCAC
Landmark
Liberal Arts
Liberty
Little East
MAAC
METS
MIAA
Mid-American
Mid-South
Middle Atlantic
Midwest
MIAC
Missouri Valley
Mountain East
MPSF
Mountain West
NEISDA
NESCAC
NEWMAC
NJAC
New South
NAC
North Coast
NEAC
Northeast 10
Northeast
Northern Sun
Northwest
Ohio
ODAC
PCSC
Pac 12
Patriot
PSAC
Presidents
Rocky Mountain Athletic Conference
Skyline
South Atlantic
SEC
SAA
SCIAC
SCAC
SUNYAC
Summit
Sunshine
Sun Conference
UNYSCSA
USA South
UAA
WAC
WIAC
Big West Conference
Sun Belt Conference
| Time | Date | Name | Team | Meet |
|---|---|---|---|---|
| 44.74 | Dec. 2, 2023 | Agustin Rasche | University of the Cumberlands | Wooster Invitational |
| 44.83 | March 7, 2015 | David Lambert | Saint Andrews University | NAIA Championships |
| 45.27 | Nov. 23, 2014 | David Lambert | Saint Andrews University | Wingate Invitational |
| 46.05 | Nov. 23, 2013 | Thalys Caixeta | University of the Cumberlands | Western Kentucky Invitational |
| 47.21 | March 2, 2013 | Jordan Gramling | University of the Cumberlands | NAIA Championships |
| 47.79 | Nov. 17, 2012 | Ricardo Moscoso | University of the Cumberlands | Western Kentucky Invite |
USA Swimming
College
High School
Summer/Rec Swimming
AAU - Amateur Athletic Union
YMCA
EFSL
Collegiate Club