Tuhia he haere tonu mo tenei waahanga - I huri a De Beck ki te ara i te tau 1983 ka wini i te taitara Belgian tuatoru (me te whakamutunga) o tana mahi ma te rere 29:42.56 meneti mo te 10,000 mita. Ko tana tau whakamutunga o te whakataetae nui i tae mai i te 1987: i mutu ia i te 73 i te 1987 IAAF World Cross Country Championships
I wikitoria hoki ia i te Zwijndrecht Marathon i roto i te wā o te 2:21:50 haora.