| Marcelina Witek | |
| Full Name: | Marcelina Klaudia Witek-Konofał |
| Birth Date: | 2 June 1995 |
| Birth Place: | Słupsk, Poland |
| Height: | 1.73 m |
| Weight: | 67 kg |
| Sport: | Track and field |
| Event: | Javelin throw |
| Club: | SKLA Słupsk (2009-2015) SKLA Sopot (2015–2017) KS Polanik Piotrków Trybunalski (2017–) |
| Education: | Jędrzej Śniadecki Academy[1] |
| Coach: | Mirosław Witek[2] |
| Pb: | 66.53 m (2018) |
Marcelina Klaudia Witek (born 2 June 1995) is a Polish track and field athlete who competes in the javelin throw. Her personal best is 66.53 m, set in 2018.[3] She represented her country at the 2017 World Championships without qualifying for the final. In addition, she won a bronze medal at the 2017 European U23 Championships and a gold at the 2017 Summer Universiade.
| Representing | |||||
|---|---|---|---|---|---|
| 2011 | World Youth Championships | Lille, France | 23rd (q) | 44.71 m | |
| 2013 | European Junior Championships | Rieti, Italy | 8th | 51.29 m | |
| 2014 | World Junior Championships | Eugene, United States | 4th | 54.14 m | |
| 2015 | European Cup Winter Throwing (U23) | Leiria, Portugal | 3rd | 54.25 m | |
| European U23 Championships | Tallinn, Estonia | 10th | 50.38 m | ||
| 2016 | European Championships | Amsterdam, Netherlands | 22nd (q) | 55.03 m | |
| 2017 | European U23 Championships | Bydgoszcz, Poland | 3rd | 63.03 m | |
| World Championships | London, United Kingdom | 22nd (q) | 59.00 m | ||
| Universiade | Taipei, Taiwan | bgcolor=gold | 1st | 63.31 m | |
| 2024 | European Championships | Rome, Italy | 12th | 55.42 m | |