 Nyorai kupfuurira kweiyi ndima - Pashure peOlympics ya 1980, akasvika Wilf Paish paCarnegie Institute of P.E. muLeeds kuti amurovedze. Akabvuma kuva murairidzi wake, uye akatamira kunogara nemhuri yake. Kukanda kwe2 kwakaringana kuti Sanderson akunde paPacific Conference Games ya1981. PaMutambo weEurope wa1981, Sanderson akanga ari wechipiri, naAntoaneta Todorova akanga aita rekodhi yenyika kuti akunde. Gare gare muna 1981, Sanderson akatambura achilles tendon rupture muruoko rwake rworuboshwe uyewo akaputsa pfupa muruoko rwake achikanda. Kuvhiyiwa kwakatambudzwa muAchilles tendon hakuna kubudirira, uye aifanira kuvhiyiwazve. Kukuvadzwa kwakamudzivisa kukwikwidza kwemwedzi makumi maviri nemaviri. Sanderson akanga ari wechina pa 1983 World Championships, apo muvengi wake Fatima Whitbread akawana sirivha. Pa 1983 World Championships, akakuvadzwa achilles tendon yake zvakare, uye akavhiyiwa pamaviri achilles tendons mazuva mashoma mushure mekupera kwemakwikwi. 