Sebastian Ułamek (born 20 November 1975) is a former motorcycle speedway rider from Poland.^[2][3] He was a European individual Champion and earned 9 international caps for the Poland national speedway team.^[4]

Ułamek rode in the Polish leagues for his home club Włókniarz Częstochowa from 1992 until 1998 and then Gdańsk from 1999 to 2000 (the 2000 season was in the Ekstraliga).^[2] He began to establish himself as one of the leading riders and participated in his first Grand Prix series during the 1998 Speedway Grand Prix season.

He made his British league debut in 2000, when riding several times for Wolverhampton Wolves^[5] before returning to Poland to ride for Wrocław.^[3] On 12 August 2001 he won the Continental Final, which formed part of the 2002 Speedway Grand Prix Qualification.^[6] He aslso won a silver medal with Poland at the 2001 Speedway World Cup.^[7]

In 2002, in addition to his Swedish commitments he rode for Leszno and returned to Britain to ride for the King's Lynn Stars.^[3] The following season in 2003, he joined the Oxford Cheetahs and returned to his home club Częstochowa. He continued to ride in the top division of three leagues and we won the European Pairs Speedway Championship for the first time in 2006.^[8]

Ulamek rode for Swindon Robins from 2006 to 2007 and a six consecutive season with Częstochowa in 2008. He would go on to win two more European Championship pairs in 2008 and 2015. He would also win the Individual Speedway European Championship in 2010.

He rode three more times in Britain for Birmingham Brummies in 2012, Lakeside Hammers in 2013 and Leicester Lions in 2017. His last season was in 2018, when he spent the season with Kolejarz Opole in the Polish Speedway Second League.^[2]

Born in Częstochowa, Poland, Sebastian Ułamek and his wife, Marzena (wedding in 2000), have two children, a son, Dawid and a daughter, Natalia .^[9][10]

• List of Speedway Grand Prix riders
• Poland national speedway team