Isringhausen Motorsports Races at Belgium's Circuit Zolder

Geoff Isringhausen and his son, Geoff Jr., recently had the privilege of racing a pair of Porsche GT4 Clubsports at the famous Circuit Zolder racetrack in Belgium, site of numerous Formula One Belgian Grand Prix. Geoff enthused it was a “mountaintop experience” after a life spent in racing. Below are a few highlights.