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
Alabama
Alaska
Arizona
Arkansas
California
Colorado
Connecticut
D.C.
Delaware
Florida
Georgia
Hawaii
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Puerto Rico
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Vermont
Virginia
Washington
West Virginia
Wisconsin
Wyoming
| Time | Date | Name | Team | Meet |
|---|---|---|---|---|
| 44.31 | Feb. 22, 2019 | Topher Stensby | Adlai E Stevenson School | IHSA Boys State Championship |
| 45.81 | Feb. 16, 2019 | Omar Fathallah | Mundelein High School | IHSA Sectionals - Highland Park (Boys) |
| 46.71 | Feb. 9, 2019 | Topher Stensby | Adlai E Stevenson School | NSC Boys Conference Championship |
| 48.90 | Jan. 12, 2019 | Omar Fathallah | Mundelein High School | HPHS NISCA Power Point Invite |
| 54.82 | Jan. 5, 2019 | M Kinsella | Zion Benton Township High School | Grenadier Swim Invitation |
USA Swimming
College
High School
Summer/Rec Swimming
AAU - Amateur Athletic Union
YMCA
EFSL
Collegiate Club
Illinois High School Association
CS-8
CSL-N
CSL-S
CPL
DuKane
DVC
FVC
MCAC
MIC
MSL-East
MSL-West
NIC-10
SSC-Blue
SSC-Red
SPC
SWSC
UEC
W-Big 6
WSC-G
WSC-S