He attended Queen Elizabeth Grammar School, Wakefield. He plays as both a centre and fullback. He has represented England at Under-16, Under-18 and Under-20 levels and played for Leicester Tigers as part of their rugby academy squad. He is one of the brightest young rugby talents in the United Kingdom, despite being diabetic.[citation needed]
Forsyth made his first team debut for the Tigers from the bench against Northampton Saints in October 2009. He started at centre in the game against South Africa in November 2009.[citation needed]
After stints at Sale and Yorkshire Carnegie, Forsyth signed for Coventry. The Championship club confirmed he would be loaned to Leicester as cover during the 2019 Rugby World Cup.[2]
However, after not fulfilling his potential, he now works at Abaco Insurance Brokers as an Account Executive.