The HARC is the organization that is about racing historic cars. They are also one of the organizers of the Historic Grand Prix, the annual historic racing event. They organize free driving for enthusiasts with a historic car. This is possible with or without a racing license.
Circuit Zandvoort is freely accessible to visitors on these track days. Experience the cars from the grand stand along the main straight. Sim racing paradise Racesquare is also opened and you can enjoy a snack or drink at Mickey's Bar. To conclude your visit, you can visit the Circuit Shop.
