Rubuta ci gaba don wannan sakin layi - Folker ya yi nasa tarihin ninkaya a Wasannin Universiade na bazara na 1999 a Palma de Mallorca, Spain, inda ya sami lambar tagulla a tseren mita 100 a cikin 50.77, yana gamawa a bayan Denis Pimankov na Rasha da Mauro Gallo na Italiya. Lokacin da kasarsa Afirka ta Kudu ta karbi bakuncin wasannin Afirka
a Johannesburg a waccan shekarar, Folker ya ƙara ƙarin lambobin yabo guda biyu ga kayan aikinsa na aiki a gaban babban taron jama'a: azurfa a cikin mita 50 na kyauta (22.83) da kuma tagulla a cikin mita 100 na kyauta (50.61).