Simplify the following text for a Grade 10 native English-speaking person.
Original: Stefano Mei ( born February 3 1963 in La Spezia , Italy ) was an Italian long distance runner in several international athletics ( also called track and field ) events .
Simplified: Stefano Mei ( born 3 February 1963 in La Spezia ) is an Italian long-distance runner who specialized in the 5000 and 10000 metres .