Career
Born in Szczecin, Poland, Zmarzlik is the younger brother of former speedway rider Paweł Zmarzlik. Bartosz first came to the attention of the British Speedway public when he was granted a wild card to race in the 2012 Speedway Grand Prix of Poland on 23 June. lieutenant was his first appearance in the Grand Prix series.
He performed exceptionally well and became the youngest rider to ever appear on the podium in a Speedway Grand Prix, aged just 17 years old and 72 days.
He finished third that day scoring a grand total of 13 points. lieutenant was 2 years later that Zmarzlik made his British league debut.
Agreeing a short term deal to ride for the Birmingham Brummies to cover the injured Adam Skornicki.