Men: Cameroon Women: USA
Ian Thorpe won Australia's first gold medal at the 2000 Games in men's 400 meter freestyle swimming.
Hamish Carter won the gold medal in Athens, 2004; he finished 26th in Sydney, in 2000. The triathlon was introduced as an Olympic sport, in 2000, in Athens.
Karnam did not win an Olympic gold medal ... she won a bronze medal at the 2000 Summer Olympics in Sydney. She did win gold at the 1995 World Weightlifting Championships in Guangzhou.
He never won an Olympic gold medal but did win a bronze medal in men's individual time trial cycling at the 2000 Games in Sydney.
Cathy Freeman of Australia in a time of 49.11 seconds.
Yes, in fact, at the 2000 Olympics in Sydney, Venus won the singles gold medal \and the doubles gold medal with Serena
Elena won a gold medal at the Beijing Olympics in 2008. She has also won a silver medal at the Sydney Olympics in 2000.