Overview
- Supercars said Thursday the exit was by mutual agreement and effective immediately.
- Barclay Nettlefold, who chairs Supercars owner RACE, has assumed interim executive oversight with the leadership team reporting to him.
- The RACE board has begun a formal search to appoint a permanent chief executive.
- Officials stressed continuity as the season pauses before a New Zealand double-header in Taupo and Christchurch next weekend.
- The move ends Warburton’s second stint after serving from 2013 to 2017 and returning last year, with this season only two rounds complete.