Kammala jumla mai zuwa: A ranar 21 ga Mayu, 1980, a wani taro a Crystal Palace, ta gudu mita 100 a cikin iska mai taimakawa 11.01 seconds (+4.0). Daga baya a waccan shekarar ta yi gasa ga Burtaniya a Wasannin Olympics a Moscow, inda ta lashe lambar tagulla a tseren mita 4 × 100, tare da abokan aikinta Kathy Smallwood, Beverley Goddard da Sonia Lannaman. Sun gudanar da rikodin Burtaniya na 42.43, wanda (kamar na 2013) har yanzu yana tsaye. Ta kuma sanya na takwas a tseren mita 100 a cikin sakan 11.34. A shekarar 1982, yanzu tana gasa a matsayin Heather Oakes, ta gama ta bakwai a tseren mita 100 a gasar Olympics ta duniya.
Wasannin Commonwealth da karfe 11.39. A cikin 1983, a Gasar Cin Kofin Duniya a Helsinki, ta kai wasan kusa da na karshe na mita 100, tana gudu 11.50.