 Nyorai kupfuurira kweiyi ndima - Pamakwikwi enyika kwete kuti akabudirira. Akakwikwidza mumakwikwi ekumhanyisa mu1980 UCI Track Cycling World Championships muBesançon, 1981 UCI Track Cycling World ChampionshipsmuBrno uye 1982 UCI Track Cycling World Championships muZurich. Muna 1980 akarambwa pashure pokunge mukwikwidzi wake wokuChina ati De Neef akanga amubatazve. Izvi zvakarambwa zvisinei naDe Neef, asi kupokana kwepamutemo kubva kumurairidzi Jan Derksen hakugone kuchinja kusabvumidzwa. Gore rakatevera racho akarasikirwa mumutambo wokutanga nomutasvi weCzech. Nemhaka yebvudzi riri pamakumbo emutambi weCzech De Neef akapindura mushure memakwikwi anofanira kunge akamedza mahormone akawandisa 