High Quality Content by WIKIPEDIA articles! The 2011 Tirreno–Adriatico was the 46th running of the Tirreno–Adriatico cycling stage race, often known as the Race of two seas. It started on 9 March in Marina di Carrara and ended on 15 March in San Benedetto del Tronto and consisted of seven stages, including a team time trial to begin the race and an individual time trial to conclude it. It was the third race of the 2011 UCI World Tour season.