Knight competed in the 1996 Summer Paralympics in Atlanta, Georgia, United States. There she won a silver medal in the women's Discus throw - F12 event and finished fourth in the women's Pentathlon - P10-12 event. She also competed at the 2000 Summer Paralympics in Sydney, Australia. There she won a silver medal in the women's Pentathlon - P13 event and finished fourth in the women's Discus throw - F13 event. She also competed at the 2004 Summer Paralympics in Athens, Greece. There she won a bronze medal in the women's Discus throw - F13 event
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