Maryland - 100 L Back Men - Record Progression

- International
- CCCAN
- ISL
- Country
- United States
- Afghanistan
- Albania
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- USA Swimming
- College
- High School
- Summer/Rec Swimming
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- Region
- AAU - Amateur Athletic Union
- YMCA
- EFSL
- Collegiate Club

100 L Back Men - Record Progression

Time	Date	Name	Team	Meet
53.07	Dec. 2, 2022	Daniel Diehl	Cumberland MD YMCA	Toyota US Open Championships
53.59	March 26, 2022	Daniel Diehl	Cumberland MD YMCA	Speedo Sectionals - Buffalo
53.76	Aug. 9, 2014	Michael Phelps	North Baltimore Aquatic Club	Phillips 66 Summer National Championships
54.14	Jan. 15, 2011	Michael Phelps	North Baltimore Aquatic Club	USA Swimming Austin Grand
56.27	July 8, 2009	Austin Surhoff	North Baltimore Aquatic Club	ConocoPhillips National Championships
56.97	Aug. 1, 2008	Austin Surhoff	North Baltimore Aquatic Club	U. S. Open
57.07	June 30, 2008	Austin Surhoff	North Baltimore Aquatic Club	U.S. Olympic Team Trials
57.40	March 30, 2007	Kevin Mukri	Navy Swimming	USA Swimming Spring Champ
57.62	Feb. 10, 2004	Kevin Clements	North Baltimore Aquatic Club	ConocoPhillips Spring National Championships

Maryland Swimming

100 L Back Men - Record Progression