Nyorai kupfuurira kweiyi ndima - Foster akatambira chikwata chenyika pakati pa1981 na1988, achikwikwidza paMitambo yeOlympic ya1984 muLos Angeles. Foster akamiririrawo Australia mumakwikwi maviri eWorld Championships - 1983 na1986
. Foster akanga ari mutevedzeri wemutungamiri wechikwata kubva muna 1983 kusvika pamudyandigere wake wepasi rose kutanga kwa1988.