Career
Competing in four Winter Olympics, he earned his best finish of 14th in the four-man event at Vancouver in 2010. Kupczyk also competed in the FIBT World Championships, earning his best finish of 20th in the four-man event both at Calgary in 2005 and at Saint Moritz in 2007. He was born in Jelenia Góra as a son of runner Andrzej Kupczyk.
