Year Competition Venue Position Event Notes
Representing  Poland
2001 World Youth Championships Debrecen, Hungary 2nd 400 m 47.12
1st Medley relay 1:50.46
European Junior Championships Grosseto, Italy 1st 4x400 m relay 3:06.12
2003 European Junior Championships Tampere, Finland 3rd 400 m 46.69
2nd 4x400 m relay 3:08.62
2005 European U23 Championships Erfurt, Germany 11th (sf) 400 m 46.62
1st 4x400 m relay 3:04.41
Universiade Izmir, Turkey 7th 400 m 46.89
1st 4x400 m relay 3:02.57
2006 World Indoor Championships Moscow, Russia 2nd (h) 4x400 m relay 3:06.10
European Championships Gothenburg, Sweden 3rd 4x400 m relay 3:01.73
2007 European Indoor Championships Birmingham, United Kingdom 3rd 4x400 m relay 3:08.14
Universiade Bangkok, Thailand 7th 400 m 46.85
1st 4x400 m relay 3:02.05
2008 World Indoor Championships Valencia, Spain 4th 4x400 m relay 3:08.76
Olympic Games Beijing, China 7th 4x400 m relay 3:00.32
2009 Universiade Belgrade, Serbia 2nd 4x400 m relay 3:05.69