Year Competition Venue Position Event Notes
Representing  Poland
1999 European Junior Championships Riga, Latvia 4th 400 m hurdles 52.17
2000 World Junior Championships Santiago, Chile 1st 400 m hurdles 49.23
2001 World Championships Edmonton, Canada 18th (sf) 400 m hurdles 49.80
Universiade Beijing, China 8th 400 m hurdles 49.68
2002 European Indoor Championships Vienna, Austria 1st 400 m 45.39 (CR, NR)
1st 4x400 m relay 3:05.50 (CR)
European Championships Munich, Germany 4th 400 m 45.40
8th 4x400 m relay DQ
2003 World Indoor Championships Birmingham, United Kingdom 7th (sf) 400 m 46.82
3rd 4x400 m relay 3:06.61
European U23 Championships Bydgoszcz, Poland 1st 400 m hurdles 48.45
1st 4x400 m relay 3:03.32
2004 Olympic Games Athens, Greece 6th 400 m hurdles 49.00
10th (h) 4x400 m relay 3:03.69
2006 European Championships Gothenburg, Sweden 2nd 400 m hurdles 48.71
2007 World Championships Osaka, Japan 3rd 400 m hurdles 48.12 (NR)
3rd 4x400 m relay 3:00.05
2008 Olympic Games Beijing, China 6th 400 m hurdles 48.42
7th 4x400 m relay 3:00.32
2012 European Championships Helsinki, Finland 18th (sf) 400 m hurdles 50.77