Konopka originally won the bronze medal at the 2002 European Indoor Championships with a personal best throw (indoor) of 20.87 metres, but tested positive for stanozolol and lost the medal. He was suspended between March 2002 and March 2004.
His personal best throw outdoor is 20.66 metres, achieved in May 2001 in Ostrava. He currently holds the Slovak indoor record with 21.57, achieved when he won the 2007 European Indoor Championships.
|1996||World Junior Championships||Sydney, Australia||5th||17.33 m|
|1998||World Junior Championships||Annecy, France||1st||18.50 m|
|1999||European U23 Championships||Gothenburg, Sweden||1st||19.60 m|
|2001||European U23 Championships||Amsterdam, Netherlands||1st||19.79 m|
|World Championships||Edmonton, Canada||21st||18.89 m|
|Universiade||Beijing, China||5th||19.51 m|
|2004||Olympic Games||Athens, Greece||10th||19.92 m|
|2005||European Indoor Championships||Madrid, Spain||5th||19.95 m|
|World Championships||Helsinki, Finland||9th||19.72 m|
|World Athletics Final||Monte Carlo, Monaco||6th||19.29 m|
|2006||European Championships||Gothenburg, Sweden||12th||19.65 m|
|2007||European Indoor Championships||Birmingham, England||1st||21.57 NRi|
- "Archived copy". Archived from the original on 2007-09-27. Retrieved 2007-09-27.
- IAAF News n.58 October 2002, p.8: POSITIVE CASES IN ATHLETICS, SANCTIONED DEFINITIVELY, ACCORDING TO INFORMATION RECEIVED BY THE IAAF AS OF 24 September 2002
- Shot-putter gets lifetime ban although he denied taking performance enhancing drugs.