 He finished his playing career with Lancaster City in the 1999–2000 season in the Northern Premier League Premier Division.After gaining his degree in Physiotherapy from the University of Salford, Horner worked as a physiotherapist at Royal Preston Hospital before returning to Bloomfield Road to become Blackpool's club physiotherapist in November 2000, a role he continues to fulfill.Horner is a member of both the Chartered Society of Physiotherapy and the Council of Professional Supplementary Medicine.