<prompt> Pedzisa mutsara unotevera: SaHelen Barnett, akakwikwidza mumakwikwi evakadzi emamita 400 pa 1984 Summer Olympics. Akamirira England mumakwikwi emamita 200, pa  <response>: Mitambo yeCommonwealth ya1982 muBrisbane, Queensland, Australia. Makore mana gare gare akamiririra England mumakwikwi emamita mazana mana, pa1986 Commonwealth Games muEdinburgh, Scotland. Akaroora Swiss sprinter Stefan Burkart muna 1986, uye akapfuurira kumiririra Switzerland pa 1992 Summer Olympics muvakadzi 4 × 400 metres relay. 