Australian motor racing legend Peter Brock will be remembered on Friday as the road rally in which he died last year kicks off in Perth.

Brock, 61, died when his racing Daytona Coupe slammed side-on into a tree during the Targa West road rally in the Perth hills on September 8, 2006.

Targa West director Bob Schrader says organisers are keen to ensure that Brock's memory lives on through the sport he loved.

"While the day will be one of high emotion for the whole motorsport community, organisers are keen to ensure it is run as a celebration of Brock's life and memory," he said in a statement.

Brock's partner Julie Bamford, his brother Lewis and his co-driver from last year, Mick Hone, will be present on Friday for the start of the three-day rally.

They will attend the race prologue on Thursday and the Friday morning rally start in Forrest Place in the heart of Perth, Mr Schrader said.

"They will be there to give the rally their blessing and to wish everyone well as they head out to compete on what will be a poignant day and to ensure that everyone knows that it is what Peter would have wanted.

"Brocky was a legend to all of us and while everyone knows motorsport can be dangerous, you never expect it to catch out someone like Peter."

He said everyone involved would do their best to ensure the event was a fitting tribute to "one of Australia's true sporting heroes".

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