Marco Antonelli started racing in 1986 in the tourism classes, Super Touring and DTM in the Alfa Romeo test team. The team Antonelli Motorsport was founded in 1993 and participated to few races. But in 2011, the team knew its first victories in International GT Sprint Series at Spa and Mugello. Since then, the team had results in the Porsche Carrera Cup Italia, the Italian GT3 Cup, the SuperSports Cup, Italian GT and hillclimbing.
2008 - 1st - Porsche Carrera Cup Italia
2002 - 1st - Italian Alfa Challenge 147 Cup
1999/2002 - 1st - Italian Tourism Championship
1997/98 - 1st - Italian Team (with the AB Motorsport)