| Rank | Event | Year | Location | Result |
| World Championships | ||||
| 2 | 100m Butterfly | 2011 | Shanghai, CHN | 51.15 |
| 8 | 4 x 100m Medley Relay | 2011 | Shanghai, CHN | 3:37.44 |
| Semifinal | 100m Freestyle | 2011 | Shanghai, CHN | 48.48 |
| Semifinal | 50m Butterfly | 2011 | Shanghai, CHN | 23.48 |
| Semifinal | 50m Freestyle | 2009 | Rome, ITA | 21.72 |
| Semifinal | 100m Freestyle | 2009 | Rome, ITA | 48.22 |
| Heats | 200m Freestyle | 2009 | Rome, ITA | 1:48.73 |
| Heats | 4 x 100m Freestyle Relay | 2009 | Rome, ITA | 3:16.35 |
| Heats | 4 x 200m Freestyle Relay | 2009 | Rome, ITA | 7:12.10 |
| European Championships | ||||
| 3 | 100m Butterfly | 2010 | Budapest, HUN | 52.16 |
| 6 | 4 x 100m Medley Relay | 2010 | Budapest, HUN | 3:38.57 |
| World Championships Short Course | ||||
| 5 | 100m Butterfly | 2010 | Dubai, UAE | 50.75 |
Occupation
Athlete
Club name
KS Wisla, Pulawy, POL
Coach
Bart Kizierowski (sport.wp.pl, 09 Feb 2012)
Other sports
His sister Gabriele Czerniak has also represented Poland in swimming. (itvl.pl, 04 Aug 2011)
Additional information
Ambitions
To swim a personal best at the 2012 Olympic Games in London. (przegladsportowy.pl, 24 Nov 2011)
