Borchert won K-2 500 m and K-2 1000 m events at the 1998 World Championships in Hungary with Anna Wood. They won the K-2 1000 m world champion title in 1999. Borchert would win a total of twenty medals at the ICF Canoe Sprint World Championships with nine golds for four different countries (1989 for East Germany, 1990 for West Germany, 1991-93 for Germany, and 1994–2001 for Australia). At the Sydney Olympics the pairing finished sixth in the K-2 500 m, while she won bronze in the K-1 500 m event.