Watch the Formula Thunder 5000's first public run at Sydney Motorsport Park, piloted by driver Adam Macrow. The prototype has completed more than 600 miles of trouble-free testing after a Phillip Island test in January.

The Tasman Series could be revived in New Zealand and Australia later this year, if a plan to launch a new open-wheel category comes to fruition.The series aims to create a modern version of Formula 5000 – a worldwide road racing formula run by the SCCA and USAC in the...