Ku qor sii wadida faqradan - Xirfada De Beck waxay ku beegantay xilli xoog leh oo ragga masaafada dheer ku ordaya Belgium-ka 1970-yadii, iyadoo Roelants, Willy Polleunis, Emiel Puttemans, Karel Lismont iyo Ivo Van Damme ay ahaayeen jilayaasha kale. 1973 IAAF World Cross Country Championships waxay calaamad u ahayd daahfurka dhacdada horyaalka adduunka ee casriga ah iyo, oo lagu qabtay ciyaarta guriga ee Waregem, saddexda reer Belgian ee Polleunis, Roelants iyo De Beck ayaa ku guuleystay horyaalkii koowaad ee kooxda (De Beck ayaa kaalinta 18-aad galay shaqsi ahaan). De Beck wuxuu ku guuleystay horyaalkiisii ugu horreeyay ee qaran ee orodka dalka sannad kadib. Waxa uu ku guuleystay tartankii 1974 ee IAAF World Cross Country Championship
isagoo ku guuleystay horyaalka hortiisa Mariano Haro (1973 kaalinta labaad) wuxuuna u horseeday ragga reer Belguim bilada dahabka ee kooxda.