 He played for FC Utrecht, Ajax Amsterdam, Vitesse Arnhem, Sparta Rotterdam, and Cambuur Leeuwarden in the Eredivisie.Since 2004, Alflen has been co-presenter of the TV program Namen & Rugnummer on RTV Utrecht.Alflen started his coaching career as a youth coach of FC De Bilt, and later became manager of the first team for the 2006–07 season.