Buuxi weedha soo socota: Ka sokow ciyaaraha Olombikada ee lugga, Erdmann wuxuu ku guuleystay toban billad oo ka tirsan FIL World Luge Championships, oo ay ku jiraan toddobo dahab ah (Dumarka keli ah: 1989, 1991, 1997; Kooxda isku dhafan: 1990, 1991, 1993, 1995) iyo seddex lacag ah (Dumarka keli ah: 1995, 1996; Kooxda isku dhafan: 1989). Waxay sidoo kale ku guuleysatay toddobo billad oo ka tirsan FIL European Luge Championships, oo ay ku jiraan lix dahab ah (Singles-ka dumarka: 1990, 1992; Kooxda isku dhafan: 1990, 1992,
1996, 1998) iyo hal naxaas ah (Singles dumarka: 1998). Erdmann waxay ku guuleysatay guud ahaan Luge World Cup horyaalka dumarka kaligiis laba jeer (1990 <unk> 91, 1991 <unk> 92).