Teams have descended on the Reid Park Street Circuit ahead of this weekend's NTI Townsville 500.
This weekend's event, which will feature two 250km races, will be the first of a Townsville doubleheader.
It will be followed next weekend by the WD-40 Townsville SuperSprint, with the North Queensland city hosting rounds six and seven of the 2021 Repco Supercars Championship.
The 2021 season will resume this weekend at the NTI Townsville 500. Tickets are available here.
The event will be broadcast live on Foxtel and will be streamed on Kayo, and will be broadcast live and free on Seven.