 After retiring from international basketball, Alapag was quickly tapped by then-Gilas Pilipinas head coach Tab Baldwin as one of the team's assistant coaches.Alapag also served as an assistant coach and team consultant at the Meralco Bolts.On August 12, 2017, Alapag announced through his Instagram account that he will be the new head coach for Alab Pilipinas of the ASEAN Basketball League.