The shock cancellation of the Adelaide 500 Supercars race could see South Australian taxpayers compensating series organisers.
The premier announced last week that the 2021 race had been axed, after initially been postponed from March to October.
He also confirmed that the state would not be renewing its contract past 2021, pointing to waning interest and growing costs to stage the event.
However, the premier confirmed on Tuesday that South Australian taxpayers could still be paying a bill to Supercars.
Those behind the Supercars Championship are understood to be seeking compensation to make up for SA bailing on the last year of its contract.
Mr Marshall said that he did not know how much SA taxpayers were set to pay for the series cancellation.
The popular race had been a fixture on the calendar since 1999, often attracting the second largest motorsport crowd in the country next to Melbourne’s Grand Prix.
This year’s crowd of just over 200,000 was its lowest in 17 years.