 Nyorai kupfuurira kweiyi ndima - Pasi pomurairidzi neshamwari yepedyo Malcolm Arnold, Jackson akavamba somumhanyi anovimbisa wemakwikwi gumi asati achinjira kumhinganidzo dzakakwirira. Akakunda ndarama paWorld Junior Championships muna 1986uye nokukurumidza akachinjira kuzvinzvimbo zvepamusoro. Achitevera menduru yesirivheri mumitambo yeCommonwealth ya1986, akahwina sirivheri pamakwikwi emamita 110 pamitambo yeOlympic ya1988 kumashure kwaRoger Kingdom. Kunyange zvazvo basa rake somunhu anoshingaira mukwikwidzi muchiitiko chacho raizotora mamwe makore gumi nemashanu, gumi ekupedzisira eaya semubati wepasi rose, uye kumuona akatumidzwa korona kaviri World Champion, kaviri Commonwealth Champion uye kane nguva European Champion, iyi yaizoramba iri menduru yake chete yeOlympic yemhando ipi neipi. Muna 1992 akapfuura nepakati pekutanga mumutambo wake wekutanga mumasekondi 13.10 iyo yakaratidza kukurumidza kupfuura nguva yekukunda menduru yegoridhe asi yakadzorwa nekukuvara kwaakatora panguva yakatevera uye aigona kungopedza wechinomwe mumutambo wekupedzisira, uye muna 1996 akauya wechina uye muna 2000, wechishanu. 