In 1994, she finished fourth at the European Athletics Championships in Helsinki. She participated in three World Championships in Athletics. Beat your best score it achieved by winning the bronze medal at the World Athletics Championships in Gothenburg in 1995 in a time of 2:30:11 h 1997 in Athens she was fifth in 2001 in Edmonton Fourteenth. At the Olympic Games in Atlanta in 1996, she took the 13th place at the 2000 Olympic Games in Sydney the 18th Place.
She was also successful in various city marathons. In 1994 she won the Venice Marathon ( 2:32:16 h) and 1997 Maratona d' Italia ( 2:28:43 h). In their victories at the Rome Marathon 2004 in 2:27:40 h and at Brescia Marathon 2008 in 2:34:47 h they could improve their track records. Other notable results they achieved, among other things with second places at the Turin Marathon in 1997 and the Prague Marathon 2004, as well as with third place at the New York City Marathon in 1997 and at the Berlin Marathon in 2003.
Ornella Ferrara has a competition weight of 52 kg at a height of 1.55 m.
- Half Marathon: 1:11:46 h, February 27, 2000, Turin
- Marathon: 2:27:49 h, March 28, 2004, Rome