 As of October 2008, she was playing for the Metrobelles in the Jamaican National Basketball League.As a member of the Jamaican U21 squad, Byfield won a silver medal at the 2000 Netball World Youth Championships in Cardiff.Later, she was a member of the national squads that participated in the 2003 and 2007 Netball World Championships, with Jamaica winning bronze medals in both tournaments.