 Nyora kupfuurira kweiyi ndima - Macey akaberekerwa muRochford, Essex. Akatanga mumutambo wenhangemutange semunhu anosvetuka pakakwirira, anosvetuka katatu uye anokanda pfumo asi akapedza kudzidza kuburikidza neocathlon kuti agare pa decathlon. Aivewo mumabhuku eArsenal achiri mudiki asi akasiya nhabvu kuti adzidzire World Junior Championships muna 1995. Kubudirira kukuru kwaMacey kwakaitika paakakunda menduru yesirivha pa1999 World Championships in AthleticsmuOlympic Stadium, Seville, Spain aine huwandu hwepamusoro hwe 8556 mapoinzi achipedzisa kumashure kwemenduru yegoridhe Tomáš Dvořák weCzech Republic. Macey ndiye akanga ari mukundi wokutanga weBBC Sports Personality of the Year Young Personality muna 1999. 