POTOMAC VALLEY SWIMMING RECORDS 09/01/2017 Men's LCM LSC Open Records Age Group Event Time Date LSC-Club Swimmer Meet Open 50 FR 22.59 08/05/2003 ST-CCS Neil Walker 2003 Conoco Phillips National Championships Open 100 FR 49.19 08/05/2003 MD-NBAC Michael Phelps 2003 Conoco Phillips National Championships Open 200 FR 1:45.99 08/05/2003 MD-NBAC Michael Phelps 2003 Conoco Phillips National Championships Open 400 FR 3:46.73 08/05/2003 MD-NBAC Michael Phelps 2003 Conoco Phillips National Championships Open 800 FR 7:57.35 08/05/2003 CA-MVN Larsen Jensen 2003 Conoco Phillips National Championships Open 1500 FR 15:11.81 08/05/2003 CA-MVN Larsen Jensen 2003 Conoco Phillips National Championships Open 100 BK 54.37 07/16/2016 PV-NCAP John Shebat 2016 PV LC Senior Championships Open 200 BK 1:56.10 08/05/2003 MD-NBAC Michael Phelps 2003 Conoco Phillips National Championships Open 100 BR 1:01.11 08/05/2003 PV-CUBU Ed Moses 2003 Conoco Phillips National Championships Open 200 BR 2:13.22 08/05/2003 OK-UN Gary Marshall 2003 Conoco Phillips National Championships Open 100 FL 53.20 08/05/2003 MA-BCAT Eugene Botes 2003 Conoco Phillips National Championships Open 200 FL 1:58.05 07/08/2017 PV-NCAP Sam Pomajevich 2017 PV LC Senior Championships Open 200 IM 1:55.94 08/05/2003 MD-NBAC Michael Phelps 2003 Conoco Phillips Nationals WORLD RECORD Open 400 IM 4:16.83 03/13/2008 AM-JCCS Pat Mellors 2008 PV Speedo Champs Series Eastern Zone South Open 200 FR-R 1:35.03 07/23/2015 PV-MACH Brandon Fiala,<br> Michael 2015 PV LC Senior Championships Hallock,<br> Thomas Hallock,<br> Carter Bennett Open 400 FR-R 3:21.25 08/07/2003 ST-CCS Gregor Greiner,<br> Neil Walker,<br> 2003 Conoco Phillips National Christian Lindberg,<br> Garrett Championships Weber-Gale Open 800 FR-R 7:24.43 08/08/2003 CA-MVN Justin Mortimer,<br> Piotr 2003 Conoco Phillips National Florczyk,<br> Larsen Jensen,<br> Championships Chad Carvin Open 200 MED-R 1:46.78 03/15/2008 NE-BUS John Bailey,<br> Conor Carlucci,<br> 2008 PV Speedo Champs Series Eastern Richard Alexander,<br> Brian Kelly Zone South Open 400 MED-R 3:46.21 08/09/2003 CA-NOVA Dan Shevchik,<br> David 2003 Conoco Phillips National Denniston,<br> Delonte Championships Stephens,<br> Gabe Woodward.