Kammala jumla mai zuwa: Folker ya yi nasa tarihin ninkaya a Universiade na bazara na 1999 a Palma de Mallorca, Spain, inda ya sami lambar tagulla a tseren mita 100 a 50.77, ya gama a bayan Denis Pimankov na Rasha da Mauro Gallo na Italiya. Lokacin da kasarsa ta Afirka ta Kudu ta karbi bakuncin
Wasannin Afirka duka a Johannesburg a waccan shekarar, Folker ya ƙara ƙarin lambobin yabo guda biyu ga kayan aikin aikinsa a gaban babban taron jama'a: azurfa a tseren mita 50 (22.83) da kuma tagulla a tseren mita 100 (50.61).