Rambai muchinyora ndima ino - Johnson akamirira England mumakwikwi emugwagwa uye mumakwikwi evanhu 3,000 metres, pa1990 Commonwealth Games muAuckland, New Zealand. Makore mana gare gare paMitambo yeCommonwealth ya1994
muVictoria, British Columbia, Canada akahwina menduru yebronze mumutambo wechikwata uye akakwikwidza mumakwikwi emugwagwa uye nhangemutange yemakwikwi.