[3] She was selected to compete on the track at the 2005 Mediterranean Games and she was sixth over 10,000 m. She also represented Italy at the World Half Marathon and the European Cross Country Championships that year.

[4] A run at the Florence Marathon followed and she fought off a challenge from Gloria Marconi to take a clear victory in 2:34:52 hours, although she slowed in the latter stages due to liver problems.

[8] She eased to victory at the Scalata al Castello 5 km and stated that she was keen to form part of the national marathon team for the 2007 World Championships in Athletics.

[1] The Florence Marathon offered her a chance gain a place for the 2008 Italian Olympic team and she won the race for a second year running.

[10][11] Sicari began 2008 with a win at the Maratonina dei Tre Comuni,[12] followed by a second-place finish at the Rome-Ostia Half Marathon in a personal best of 1:10:21 hours.