YMCA - 50 L Back Men (20) - Record Progression

- International
- CCCAN
- ISL
- Country
- 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
- Organization
- USA Swimming
- College
- High School
- Summer/Rec Swimming
- Middle School
- Region
- AAU - Amateur Athletic Union
- YMCA
- EFSL
- Collegiate Club

50 L Back Men (20) - Record Progression

Time	Date	Name	Team	Meet
25.86	July 27, 2018	John Whiteside	Cavalier Aquatics/Piedmont Family YMCA	Phillips 66 Summer National Championships
26.06	June 14, 2018	John Whiteside	Cavalier Aquatics/Piedmont Family YMCA	NC MAC Charlotte Ultraswim
27.18	June 27, 2013	Carl Newenhouse	Schroeder YMCA Swim Team	Phillips 66 National Championships
29.99	Aug. 7, 2011	David Dent	Tri-County YMCA / West Virginia Wild	WV LSC LC Championships
30.94	July 10, 2010	Chris Tuttle	Ridgewood Branch YMCA	Freedlander Meet
31.80	July 26, 2005	Josh Fox	Rapid Area YMCA RAYS	YMCA National Long Course Championships
32.42	June 17, 2005	Josh Fox	Rapid Area YMCA RAYS	YMCA Summer Classic '05