Terry began playing wheelchair basketball at the age of 13 at an open day in Middlesbrough with the Teesside Lions. After playing for a year, he was selected for the Great Britain Under-23 team and began training making his debut at the Sydney 2000 Summer Paralympics.
Terry has competed in seven Paralympic Games, always reaching the semi-final and winning bronze medals in Athens, Beijing, Rio de Janeiro and Tokyo and most recently, a silver medal in Paris.
Terry won a gold medal at the Hamburg World Championships in 2018 and silver medals in Japan in 2002 and Dubai in 2022.
Terry has won four Gold, two Silver and two Bronze medals at the European Wheelchair Basketball Championships.