Hoping you can access details here, it's been extra-good watching QM2 Live this afternoon!
From the Bridge website "An event reserved for the ultimate trimarans over 81 feet (24.68 meters), THE BRIDGE promises a thrilling transatlantic race. On June 25, 2017 – 100 years to the day after the arrival of the Sammies on the French coasts – at 7 pm sharp, the waters of the Loire estuary will bubble with activity when, under the bridge of Saint-Nazaire, three cannon shots – this time as a sign of fraternity – kick-off this 3,152-mile (5,837 km) oceanic race to New York.
https://www.thebridge2017.com/en/the-centennial-transat