 Mankel akahwinawo menduru yesirivha mumutambo wevarume vaviri-vaviri paFIL World Luge Championships ya1991 muWinterberg, Germany. Akakundawo seti yakazara yemenduru paFIL European Luge Championships negoridhe mumutambo wemapoka akavhenganiswa 1992, sirivheri mumutambo wemapoka akavhenganiswa 1994, uye bronze mumutambo wevarume vaviri 1994. 