In the hills of the Eiffel in Germany lays Nordschleife, the longest and most challenging racetrack in the world, and home of the Marathon. This white-knuckle endurance race for GT racecars ... Read allIn the hills of the Eiffel in Germany lays Nordschleife, the longest and most challenging racetrack in the world, and home of the Marathon. This white-knuckle endurance race for GT racecars from the 50s and 60s will leave you on the edge of your seat.In the hills of the Eiffel in Germany lays Nordschleife, the longest and most challenging racetrack in the world, and home of the Marathon. This white-knuckle endurance race for GT racecars from the 50s and 60s will leave you on the edge of your seat.