Alicja Sielska

Alicja Katarzyna Sielska (born 12 July 2003) is Polish hurdler. She won the gold medal at the 2025 European Athletics U23 Championships in the 100 metres hurdles.

Career As an under-16 athlete she competed in multi-events but was beset with knee injuries that required surgery and rehabilitation.

She set a personal best for the 60 metres hurdles, running 8.03 seconds in Łódź in February 2025. She competed for Poland at the 2025 European Athletics Indoor Championships in Apeldoorn, Netherlands in March 2025 in the 60 metres hurdles but did not progress past the preliminary heats.

In May 2025, she won the Polish university championships in the 100 metres hurdles. The following month, she started as favourite in the Polish under-23 championships for the 100 metres hurdles but fell at the final hurdle. She recovered to later win the national under-23 title in the 200 metres. She won the bronze medal in the 100 metres hurdles at the 2025 World University Games in Germany. She set a new personal best at the 2025 Kamila Skolimowska Memorial, in Poland, with a run of 12.81 seconds for the 100 metres hurdles. In September, she ran 12.99 seconds at the 2025 World Athletics Championships in Tokyo, Japan without qualifying for the semi-finals.

Competing at the 2026 Polish Indoor Athletics Championships, she was runner-up to Pia Skrzyszowska in the 60 metres hurdles in 8.10 seconds, but ran 8.02 seconds in the heats to meet the automatic standard for the World Indoors.

Personal life She was born in Kędzierzyn-Koźle. She enrolled at the University of Physical Education in Kraków.