WORLD JUNIOR RECORDS - Boys World Junior Records, official as of April 1, 2014 (no backdating, records beginning from the first swim inside the FINA standard time set at the World Junior Championships record * - FINA junior age eligibility: boys, 15-18 (18 by Dec. 31 in any given year); girls, 14-17 (17 by Dec. 31 in any given year) Event Fina Standard Time Record progression Fastest in history (FINA Youth Junior age range* Freestyle 50m 22.11 Luke Percy (AUS) - Dubai, August 28, 2013 22.11 Evgeny Sedov (RUS) - Moscow, May 18, 2014 21.98 Evgeny Sedov (RUS) - Rostov-on-Don, March 28, 2014 22.07 Evgeny Sedov (RUS) - Moscow, May 18, 2014 22.01 Yu Hexin (CHN) - Nanjing, August 19, 2014 22.00 Yu Hexin (CHN) - Nanjing, August 20, 2014 100m 48.97 Caeleb Dressel (USA) - Dubai, August 31, 2013 48.85 Matheus Santana (BRA) - Rio, April 25, 2014 48.25 Matheus Santana (BRA) - Nanjing, August 22, 2014 48.61 Matheus Santana (BRA) - Rio, April 25, 2014 48.35 Matheus Santana (BRA) - Rio, May 9, 2014 48.25 Matheus Santana (BRA) - Nanjing, August 22, 2014 200m 1:47.55 Mack Horton (AUS) - Dubai, August 27, 2013 1:47.36 Mack Horton (AUS) - Brisbane, April, 2014 Shiny S: 1:43.90 Danila Izotov (RUS) - Rome, July 28, 2009 1:47.23 Reo Sakata (JPN) - Yokohama, Sept 5, 2014 Textile: 1:45.37 Ian Thorpe (AUS) - Sydney, September 17, 2000 400m 3:47.12 Mack Horton (AUS) - Dubai, August 28, 2013 3:44.60 Mack Horton (AUS) - Brisbane, April , 2014 3:40.59 Ian Thorpe (AUS) Sydney, September 16, 2000 (Olympic gold) 800m 7:45.67 Mack Horton (AUS) - Dubai, August 28, 2013 7:45.67 Mack Horton (AUS) - Dubai, August 28, 2013 1500m 14:56.60 Mack Horton (AUS) - Dubai, August 31, 2013 14:51.55 Mack Horton (AUS) - Brisbane, April, 2014 Shiny S: 14:46.84 Sun Yang (CHN) - Rome, August 2, 2009 14:48.76 Mack Horton (AUS) - Glasgow, July 29, 2014 Textile: 14:48.76 Mack Horton (AUS) - Glasgow, July 29, 2014 Backstroke 50m 25.44 Grigory Tarasevich (RUS) - Dubai, August 29, 2013 25.22 Simone Sabbioni (ITA) - Dordercht, July 12, 2014 25.04 Ryan Murphy (USA) - Indianapolis, June 27, 2013 25.09 Evgeny Rylov (RUS) - Nanjing, August 20, 2014 100m 54.87 Apostolos Christou (GRE) - Dubai, August 27, 2013 54.74 Simone Sabbioni (ITA) - Riccione, April, 2014 53.38 Ryan Murphy (USA) - Indianapolis, June 28, 2013 54.41 Apostolos Christou (GRE) - Dordrecht, July 9, 2014 54.03 Apostolos Christou (GRE) - Dordrecht, July 10, 2014 200m 1:57.92 Luca Mencarini (ITA) - Dubai, August 31, 2013 1:57.60 Connor Green (USA) - Irvine, August 7, 2014 Textile: 1:55.74 Kosuke Hagino (JPN) - Tokyo, August 28, 2012 1:56.94 Li Guangyuan (CHN) - Nanjing, August 22, 2014 Shiny s: 1:54.77 Ryosuke Irie (JPN) - Tokyo, June 7, 2008 Breaststroke 50m 27.74 Peter John Stevens (SLO) - Dubai, August 30, 2013 27.16 Johannes Skagius (SWE) - Barcelona, July 30, 2013 100m 1:00.88 Ilya Khomenko (RUS) - Dubai, August 27, 2013 1:00.84 Anton Chupkov (RUS) - Nanjing, August 17, 2014 59.56 Akihiro Yamaguchi (JPN) - Niigata, August 20, 2012 200m 2:10.75 Aleksandr Palatov (RUS) - Dubai, August 29, 2013 2:10.23 Ippei Watanabe (JPN) - Tatsumi, June 22, 2014 2:07.01 Akihiro Yamaguchi (JPN) - Gifu, September 15, 2012 WR Butterfly 50m 23.61 Daniel Bell (NZL) - Monterrey, July 11, 2008 23.56 Evgeny Sedov (RUS) - Moscow, May, 2014 23.28 Evgeny Sedov (RUS) - Moscow, May 2014 23.30 Evgeny Sedov (RUS) - Moscow, May, 2014 23.28 Evgeny Sedov (RUS) - Moscow, May 2014 100m 52.52 Daniel Bell (NZL) - Monterrey, July 9, 2008 52.52 Takaya Yasue (JPN) - Tokyo, April, 2014 51.10 Michael Phelps (USA) - Barcelona, July 26, 2003 51.91 Li Zhuhao (CHN) - Incheon, September 24, 2014 200m 1:56.42 Andrew Seliskar (USA) - Dubai, August 31, 2013 1:56.31 Tamas Kenderesi (HUN) - Debrecen, July 18, 2014 1:53.93 Michael Phelps (USA) - Barcelona, July 22, 2003 WR 1:55.95 Tamas Kenderesi (HUN) - Nanjing, August 22, 2014 1:55.92 Andrew Seliskar (USA) - Maui, August 27, 2014 Medley 200m 1:59.44 Gunnar Bentz (USA) - Dubai, August 27, 2013 1:59.19 Gunnar Bentz (USA) - Irvine, August 10, 2014 1:55.94 Michael Phelps (USA) - College Park, August 9, 2003 WR 400m 4:14.97 Gunnar Bentz (USA) - Dubai, August 30, 2013 4:08.94 Kosuke Hagino (JPN) - London, July 28, 2012 Relays 4x100m free 3:16.96 Australia - Dubai, August 26, 2013 4x200 free 7:15.36 Great Britain - Dubai, August 29, 2013 4x100m medley 3:38.13 Japan - Dubai, August 31, 2013 May, 2014 ©SwimVortex.com.