Knock is a point of pilgrimage in rural Ireland, a small town defined by the Basilica of Our Lady of Knock and the nearby Knock Museum. The Knock (Mayo) Straightaway is a 5.2 km loop that asks little of the driver, featuring only 4 corners in a layout that prioritizes speed over technicality. It is an accessible circuit that plays free in the browser with no account and no install, offering a rhythmic flow that avoids complex transitions.