| Rank | Event | Year | Location | Result |
| Olympic Games | ||||
| 1 | 4 x 100m Freestyle Relay | 2008 | Beijing, CHN | 3:08.24 |
| 1 | 4 x 100m Medley Relay | 2008 | Beijing, CHN | 3:29.34 |
| 1 | 4 x 100m Medley Relay | 2004 | Athens, GRE | 3:30.68 |
| 1 | 4 x 100m Medley Relay | 2000 | Sydney, NSW, AUS | 3:33.73 |
| 2 | 4 x 100m Freestyle Relay | 2000 | Sydney, NSW, AUS | 3:13.86 |
| 3 | 100m Freestyle | 2008 | Beijing, CHN | 47.67 |
| 3 | 4 x 100m Freestyle Relay | 2004 | Athens, GRE | 3:14.62 |
| 5 | 50m Freestyle | 2004 | Athens, GRE | 22.11 |
| Heats | 100m Freestyle | 2004 | Athens, GRE | 49.87 |
| World Championships | ||||
| 1 | 4 x 100m Freestyle Relay | 2007 | Melbourne, VIC, AUS | 3:12.72 |
| 1 | 4 x 100m Freestyle Relay | 2005 | Montreal, QC, CAN | 3:13.77 |
| 1 | 4 x 100m Medley Relay | 2005 | Montreal, QC, CAN | 3:31.85 |
| 1 | 4 x 100m Medley Relay | 2003 | Barcelona, ESP | 3:31.54 |
| 2 | 4 x 100m Freestyle Relay | 2003 | Barcelona, ESP | 3:14.80 |
| 3 | 4 x 100m Freestyle Relay | 2011 | Shanghai, CHN | 3:11.96 |
| Heats | 100m Freestyle | 2011 | Shanghai, CHN | 49.03 |
| Pan Pacific Championships | ||||
| 1 | 4 x 100m Freestyle Relay | 2010 | Irvine, CA, USA | 3:11.74 |
| 4 | 100m Freestyle | 2010 | Irvine, CA, USA | 48.57 |
Hobbies
Playing basketball, spending time with his wife and son. (USA Swimming, 12 Jul 2011)
Occupation
Motivational Speaker
Education
Business, Economics - University of California, Santa Barbara, CA, USA
Family
Wife Danielle DeAlva, son Ryan
Language(s) spoken
English
Club name
Rose Bowl Aquatics, Irvine, CA, USA
Coach
Jeff Julian (USA) (USA Swimming, 12 Jul 2011)
Sporting relatives
He played water polo and in 1994 he was named a high school All-American. He also played while at college but gave up to concentrate on his swimming. He also played basketball, baseball and soccer. (USA Swimming, 12 Jul 2011; USA Swimming, 12 Dec 2000; The Jewish Journal 15 Sep 2000).
Other sports
His wife, Danielle DeAlva, represented Mexico in swimming and won a bronze medal in the 4x100m medley relay at the 2003 Pan American Games in Santo Domingo. (USA Swimming, 21 Jun 2005)
Debut
1999 for United States, Pan Pacific Championships (Australia) (jasonlezak.com, 22 Jan 2007)
Injuries
He suffered from a bulging disk in his back in late 1999. His back problems continued into 2000 and were exacerbated by a bout of tendinitis in his elbow. He also suffers from swimmers ear [Otitis Externa], an infection that can sometimes keeps him out of the training pool. (Swim Info Feb 02, jewishvirtuallibrary.org, 03 Aug 2006, usatoday.com, 13 Aug 2006)
Additional information
Start of sporting career
He started swimming at age five. (jasonlezak.com, 11 Mar 2004; USA Swimming, 12 Jul 2011)
Reason for taking up this sport
He played many sports as a child but at some point was forced to choose between swimming at the Junior Olympic Games and a playing in a baseball final. He chose swimming and went on to win Junior Olympic medals at the event. (jasonlezak.com, 11 Mar 2004)
Training
He swims 3,500 yards per day, 1.5 hours per day, five days per week. (USA Swimming, 12 Jul 2011)
Hero
He says he idolised now-retired NBA basketballer Ervin 'Magic' Johnson when he was growing up. (USA Swimming, 08 Mar 2007)
Most influential person in career
His parents. (USA Swimming, 12 Jul 2011)
Awards
He was the recipient of USA Swimming's 2006 Relay Performance of the Year award after he played a part in the USA's world record breaking 4x100m swim at the 2006 Pan Pacific Championships. (USA Swimming, 12 Jul 2011)
General
CHARITY WORK
He does charity work for the Maccabi Games, which creates awareness of Israel and Jewish identity (USA Swimming, 12 Jul 2011)
Previous Olympics
Beijing 2008, Athens 2004, Sydney 2000
