Claeys trained in Atlanta and Janesville, Wisconsin until she was 11 and then trained in Minnesota.[1][3] She won the junior ladies' title at the 1990 U.S. Championships.[1]
Claeys began representing Belgium in the 1991–92 season. After placing fourth behind Chen Lu at the World Junior Championships in Hull, Quebec, she was named in the Belgian team to the 1992 European Championships. Making her senior ISU Championship debut, she finished 11th at the event in Lausanne, Switzerland. She then placed seventh, between Tonya Harding and Yuka Sato, at the 1992 World Championships in Oakland, California.
In the 1992–93 season, Claeys won silver at the 1992 Skate Canada International, placed sixth at the 1992 NHK Trophy and fifth at the 1992 Grand Prix International de Paris. She ranked eighth at the 1993 European Championships in Helsinki. At the 1993 World Championships in Prague, she placed 21st in the short program and withdrew from the competition.
The 1993–94 season was less successful for Claeys. She finished 16th at the 1994 European Championships and 19th at the 1994 World Championships.
Claeys represented the United States at the 1997 Winter Universiade, where she finished sixth.