 Nyora kupfuurira kweiyi ndima - Muna 1987, Bykova akahwina menduru yesirivha paWorld Championships muRome, ine nzvimbo yakasununguka yemamita 2,04. Akakunda aiva Stefka Kostadinova wokuBulgaria, aine rekodhi itsva yenyika yemamita 2,09. Mumitambo yeOlympic ya1988 muSeoul, Bykova akahwina menduru yebronze aine 1.99 metres, kumashure kwemukundi wegoridhe weAmerica Louise Ritter uye menduru yesirivheri Kostadinova. 