Gilchrist then played for two years for Florida State University, where he earned a bachelor's degree in social science.

Following a short term contract to play in the BBL Cup with the Surrey Scorchers, Gilchrist joined Sanat Mes Rafsanjan in the Iranian Super League for the remainder of the 2021-22 season.

[8] In 2015, Gilchrist began playing for the Great Britain Men's National Team, scoring 12 points in his debut vs. New Zealand.

Later that same summer, Gilchrist led Great Britain to victory over Portugal in the KIA Autohaag Classic with a 12 point, 10 rebound double-double.

Gilchrist was a member of the Great Britain men's national team that set a programme best seven game FIBA winning streak during the 2018-19 season.