| Rank | Event | Year | Location | Result |
| Olympic Games | ||||
| 2 | 200m Breaststroke | 2004 | Athens, GRE | 2:10.80 |
| 5 | 200m Breaststroke | 2008 | Beijing, CHN | 2:09.22 |
| Heats | 100m Breaststroke | 2008 | Beijing, CHN | 1:01.31 |
| World Championships | ||||
| 1 | 200m Breaststroke | 2011 | Shanghai, CHN | 2:08.41 |
| 1 | 200m Breaststroke | 2009 | Rome, ITA | 2:07.64 |
| 6 | 100m Breaststroke | 2011 | Shanghai, CHN | 1:00.25 |
| Heats | 4 x 100m Medley Relay | 2011 | Shanghai, CHN | 3:38.24 |
| Heats | 50m Breaststroke | 2009 | Rome, ITA | 28.41 |
| Heats | 100m Breaststroke | 2009 | Rome, ITA | 1:00.26 |
| European Championships | ||||
| 1 | 200m Breaststroke | 2012 | Debrecen, HUN | 2:08.60 |
| 1 | 200m Breaststroke | 2010 | Budapest, HUN | 2:08.95 |
| 3 | 4 x 100m Medley Relay | 2012 | Debrecen, HUN | 3:34.57 |
| 4 | 100m Breaststroke | 2010 | Budapest, HUN | 1:00.64 |
| 7 | 4 x 100m Medley Relay | 2010 | Budapest, HUN | 3:38.73 |
| World Championships Short Course | ||||
| 2 | 200m Breaststroke | 2010 | Dubai, UAE | 2:03.47 |
| 6 | 100m Breaststroke | 2010 | Dubai, UAE | 58.16 |
Nickname
Dani or D. (Swimming World and Junior Swimmer Feb 2005; Athlete, 26 Mar 2007)
Hobbies
Music, football and basketball. (Hungarian NOC 2004; Swimming World and Junior Swimmer 2005; Athlete, 26 Mar 2007)
Language(s) spoken
English
Club name
Jovo SC, Hungary
Coach
Sandor Szeles (HUN) (jovoscveolia.hu, 2012)
Position and style
Breaststroke (zimbio, 11 Dec 2010)
Other sports
His younger brother Gergely is a freestyle swimmer who has broken some of his brother's age group records. (FINA Aquatics World Magazine, 30 Apr 2011)
Injuries
In 2009 he had to take a two-week break from training because of a fever. (FINA Aquatics World Magazine, 30 Apr 2011)
Additional information
Start of sporting career
He started swimming aged four, in Budapest. (Athlete, 26 Mar 2007)
Ambitions
To win a gold medal at the 2012 Olympic Games in London. (FINA Aquatics World Magazine, 30 Apr 2011)
Training
He trains with his younger brother Gergely. (FINA Aquatics World Magazine, 30 Apr 2011)
Superstitions / Rituals
He listens to Crosstown Traffic by Jimi Hendrix before each race. (Athlete, 26 Mar 2007)
Awards
He was named Hungarian Male Athlete of the Year in 2009. (gyurtadaniel.com, 2012)
Previous Olympics
Beijing 2008, Athens 2004
