 Ramba uchinyora ndima ino - Dunn akasvika pakakwirira muna 1994, achiwana zvakanakisisa muupenyu hwake pamakore iwayo Commonwealth Games muVictoria. Mumamita 100 akahwina menduru yebronze mumasekondi 11.23, achimhanya pb yake yemasekondi 11.15 mumasemifainari. Mumakwikwi emamita mazana maviri, akatadza kuwana menduru nekumhanya imwe nhangemutange yeupenyu hwose yemasekonzi 22.69. Nguva idzodzo dzaizoramba dziri nguva dzakanakisisa dzomumhanyi womugumi ramakore nomukadzi weBritain. Akawedzera imwe menduru yendarira munhangemutange yokumhanya. Muna 1995, akakwikwidza paMakwikwi ake eNyika rechinamuGothenburg, kusvika kumasemi-fainari mumamita 200. Akawana kusarudzwa kweMitambo yeOlympic ya1996, asi akamanikidzwa kubvisa nekuda kwehurwere. Kubva muna 2019, Dunn ari pachinzvimbo chegumi paUK nguva dzese runyorwa pamamita zana uye yegumi nembiri pamamita mazana maviri. 