Career
He holds numerous national records in the 200 and 400 m freestyle, and had represented his nation San Marino in two editions of the Olympic Games (2004 and 2008). Nicolini made his first Sammarinese team at the 2004 Summer Olympics in Athens, where he competed in the men"s 400 m freestyle. At the 2008 Summer Olympics in Beijing, Nicolini swam the first heat of the 200 m freestyle, against Georgia"s Irakli Revishvili and Macedonia"s Mihajlo Ristovski.
Nicolini, however, failed to advance into the semifinals, as he placed fifty-seventh in the overall rankings.