As Max Verstappen prepares for his Nurburgring 24 Hours debut later this season, F1.com looks back at the drivers who enjoyed successful outings in other racing series whilst still active in Formula 1.
As Max Verstappen prepares for his Nurburgring 24 Hours debut later this season, F1.com looks back at the drivers who enjoyed successful outings in other racing series whilst still active in Formula 1.