Magna Carta

The route for the full marathon will initially be 2 out / back 2.5 mile loops to Staines Bridge, followed by 4 out / back 5.3 mile sections, to the Old Windsor Lock Check Point (turnaround point) along this scenic stretch of the River Thames path. The half marathon route will initially be one 2.5 mile out / back loop to Staines Bridge, followed by 2 out / back 5.3 mile sections, to the Old Windsor Lock Check Point (turnaround point) along this scenic stretch of the River Thames path.