| Piotr Długosielski | |
| Nationality: | Polish |
| Birth Date: | 4 April 1977 |
| Birth Place: | Warsaw, Poland |
| Sport: | Sprint running |
Piotr Długosielski (born 4 April 1977 in Warsaw) is a retired Polish athlete specializing in the 400 metres. He was part of the Polish 4 x 400 metres relay during its best years, winning several medals, although he was often selected to run in heats only. He participated at the 2000 Summer Olympics in Sydney.
He is currently the secretary of the Polish Athletics Federation.
| Representing | ||||||
|---|---|---|---|---|---|---|
| 1996 | World Junior Championships | Sydney, Australia | 8th | 400 m | 47.43 | |
| 6th | 4 × 400 m relay | 3:08.04 | ||||
| 1997 | European U23 Championships | Turku, Finland | 8th | 400 m | 46.91 | |
| bgcolor=gold | 1st | 4 × 400 m relay | 3:03.07 | |||
| Universiade | Catania, Italy | 29th (h) | 400 m | 47.56 | ||
| 9th (h) | 4 × 400 m relay | 3:09.17 | ||||
| 1998 | European Championships | Budapest, Hungary | 2nd (h) | 4 × 400 m relay | 3:03.59 | |
| 1999 | World Indoor Championships | Maebashi, Japan | 16th (sf) | 400 m | 47.55 | |
| European U23 Championships | Göteborg, Sweden | 12th (sf) | 400 m | 46.78 | ||
| bgcolor=silver | 2nd | 4 × 400 m relay | 3:03.22 | |||
| World Championships | Seville, Spain | 3rd (h) | 4 × 400 m relay | 3:00.86[1] | ||
| 2000 | Olympic Games | Sydney, Australia | 6th | 4 × 400 m relay | 3:03.22 | |
| 2001 | World Championships | Edmonton, Canada | 20th (sf) | 400 m | 46.62 | |
| bgcolor=cc9966 | 3rd | 4 × 400 m relay | 2:59.71 | |||
| 2004 | World Indoor Championships | Budapest, Hungary | 10th (h) | 4 × 400 m relay | 3:10.33 | |
Outdoor
Indoor