Cagliari, overlooking the Gulf of Angels, is an ancient city founded by the Phoenicians. Considered the center of Sardinia's political, economic, tourist, and cultural life, it sits on seven hills: Castello, Colle San Michele, Colle di Bonaria, Monte Urpinu, Monte Claro, Tuvu Mannu, and Tuvixeddu. The Urban Trail will allow participants to challenge themselves and others in the race, in the adventure of traversing hidden corners and landmarks of many cities, selected for this circuit.