11 Ponti Grand Prix - Mini-podistica - Competitive 8.5 km and 11 Bridges Walk - Nordic Walking - Every year in June, the 11 Bridges Race enlivens the streets of Comacchio with an event open to all that combines competition, walking, and fun. The race is also a chance to discover the lagoon city, passing through its picturesque views and the eleven bridges that give it its name.