The SSE Renewable Walled City Marathon will see athletes from Ireland, Britain and across the world arrive in Derry~Londonderry to compete over a stunning 26.2 mile course that will take in all the sights and sounds of the city. The challenging route will follow the neighborhoods of the city, the rural villages, the banks of the River Foyle and the city's three bridges before returning to the Walled City for a finish in the historic Guildhall Square.