Whakakiia te rerenga e whai ake nei:
I te 1986 World Judo Championships, i wini a Guy i te mētara parahi i te kaupapa o raro i te 61kg. Ko ia anake te New Zealander i toa i tetahi mētara i te World Judo Championships. I taua tau ano, ko Guy te tuarua i te huihuinga whakaaturanga judo i nga Taakaro Commonwealth 1986 i Edinburgh, Scotland, i ngaro i te whakamutunga ki a Diane Bell. I whakataetae hoki a Guy mō Aotearoa i te 1988 Summer Olympics i Seoul, South Korea. I te 1990 Commonwealth Games i Auckland, New Zealand, ko Guy-Halkyard te tuarua i te kaupapa o raro i te 61kg, ka ngaro ki a Briton Diane Bell i te whiringa toa.