<prompt> Nyora kuenderera mberi kweiyi ndima - Gustaaf Guus Bierings akazvarwa musi wa28 Gunyana 1956 mudhudhudhu wechiDutch akasiya basa uyo aive achishanda pakati pa1975 na1981. Akanga ari chikamu chezvikwata zveNetherlands izvo zvakakunda 1978 UCI Road World Championships  <response>: uye akapedza ari panzvimbo yechi15 pa1980 Summer Olympics mumutambo wezvikwata wokumhanya nenguva. Akakundawo chikamu chimwe cheOlympias Tour muna 1977. 