 Forrest attended Edmonds-Woodway High School, and played college soccer at the University of Washington, scoring 34 goals and earning All American and Pac-10 honors including Pac-10 Player of the Year in 2006.He medical redshirted the 2005 season with the onset of plantar fasciitis.His final season, 2007, was cut short despite a promising beginning when he suffered a season ending stress fracture.