Maryland - 50 L Back Men - Record Progression

- International
- CCCAN
- ISL
- Country
- United States
- Afghanistan
- Albania
- Algeria
- American Samoa
- Andorra
- Angola
- Antigua & Barbuda
- Argentina
- Armenia
- Aruba
- Australia
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- Azerbaijan
- Bahamas
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- Barbados
- Belarus
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- Belize
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- Costa Rica
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- Curaçao
- Cyprus
- Czech Republic
- Denmark
- Djibouti
- Dominica
- Dominican Republic
- Ecuador
- Egypt
- El Salvador
- England
- Equatorial Guinea
- Eritrea
- Estonia
- Ethiopia
- Faroe Islands
- Fiji
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- Formosa
- France
- Gabon
- Gambia
- Georgia
- Germany
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- Gibraltar
- Great Britain
- Greece
- Grenada
- Guam
- Guatemala
- Guinea
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- Guyana
- Haiti
- Hawaii
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- Ivory Coast
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- Laos
- Latvia
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- Maldives
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- 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 - Record Progression

Time	Date	Name	Team	Meet
25.28	Jan. 12, 2023	Daniel Diehl	Cumberland MD YMCA	TYR Pro Swim Series - Knoxville
25.32	July 21, 2022	Daniel Diehl	Cumberland MD YMCA	YMCA Long Course National Championships
25.63	April 28, 2022	Joseph Hayburn	Annapolis Swim Club	Phillips 66 International Team Trials
26.14	June 19, 2015	Mohamed Hussein	Retriever Aquatic Club	Arena Pro Swim Series - Santa Clara
26.99	March 27, 2015	Coleman Stewart	North Baltimore Aquatic Club	Speedo Champions Series - Indianapolis
27.20	March 21, 2015	Brad Shannon	Chesapeake Bay Aquatic Club	NCSA Spring Junior National Championship
27.96	March 15, 2008	Greg Pelton	North Baltimore Aquatic Club	Speedo Champions Series - College Park
28.83	Aug. 7, 2006	Kevin Marsteller	North Baltimore Aquatic Club	USA Swimming Junior National Championships
29.75	Aug. 10, 2005	Austin Surhoff	Maryland	Eastern Zone Age Group Long Course Championships
29.98	July 28, 2003	Peter Kogut	Anne Arundel YMCA	YMCA National Long Course Championships

Maryland Swimming

50 L Back Men - Record Progression