Ka cika wannan jumla: Brownsdon ta yi gasa a Wasannin Olympics na 1988 a Seoul, inda ta kai wasan karshe na tseren mita 100 a tseren ƙirji, inda ta zama ta 16 a duka. A tseren tseren mita 200 da tseren mita 400, an cire ta a cikin zafin jiki, inda ta sanya 20th da 18th gaba ɗaya. daga baya a wannan shekarar, ta lashe taken US Open a tseren mita 100 da tseren mita 4x100. A shekarar 1989, ta kai wasan karshe na duka biyu a gasar zakarun Turai.
Gasar zakarun Turai a karo na uku a jere, ta kammala na takwas a duka biyun. A Wasannin Commonwealth na 1990 a matsayin wani ɓangare na ƙungiyar Ingila, ta ɗauki lambar yabo ta Commonwealth zuwa biyar, ta lashe lambar tagulla a wasan karshe na mita 100 da kuma lambar azurfa a tseren mita 4x100, tare da Joanne Deakins, Madeleine Scarborough da Karen Pickering, suna maimaita nasarorin da ta samu daga Wasannin 1982. Ta kuma kammala na shida a tseren tseren mita 200 na karshe.