Pedzisa mutsara unotevera: Johnson akamirira England mumakwikwi omumugwagwa uye mumakwikwi omunhu oga emamita 3.000, paMitambo yeCommonwealth ya1990 muAuckland, New Zealand. Makore mana gare gare pa
1994 Mitambo yeCommonwealth muVictoria, British Columbia, Canada akahwina menduru yebronze mumutambo wenguva yechikwata uye akakwikwidza mumakwikwi emugwagwa uye nhangemutange yemakwikwi.