Grzegorz Marciniszyn (born 22 May 1977) is a retired Polish long jumper.
He finished ninth at the 2001 World Championships.[1] He also competed in the 1997 World Championships, the 1998 European Championships.[2] the 2000 European Indoor Championships,[3] and the 2002 European Indoor Championships without reaching the final.[4] He became Polish champion in 1998, 2000 and 2001,[5] and Polish indoor champion in 1999, 2000, 2001, 2002 and 2003.[6]
His personal best jump was 8.28 metres, achieved in July 2001 in Mals. This is the Polish record.
| Representing | |||||
|---|---|---|---|---|---|
| 1995 | European Junior Championships | Nyíregyháza, Hungary | 16th (q) | 7.27 m[7] | |
| 1996 | World Junior Championships | Sydney, Australia | 14th (q) | 7.43 m w (wind: +3.2 m/s) [8] | |
| 1997 | European U23 Championships | Turku, Finland | 9th | 7.51 m (wind: +0.4 m/s) [9] | |
| World Championships | Athens, Greece | 23rd (q) | 7.69 m | ||
| 1998 | European Championships | Budapest, Hungary | 30th (q) | 7.56 m | |
| 1999 | European U23 Championships | Gothenburg, Sweden | 4th | 7.97 m (wind: +1.3 m/s) [10] | |
| 2000 | European Indoor Championships | Ghent, Belgium | 10th (q) | 7.81 m | |
| 2001 | World Championships | Edmonton, Canada | 9th | 7.92 m | |
| 2002 | European Indoor Championships | Vienna, Austria | 10th (q) | 7.87 m | |