The first free session, on the home circuit of Philip Island, ended with the first position of the new world champion Casey Stoner.

Friday results:
1 – Casey Stoner (Ducati, B) 1’31”132
2 – Marco Melandri (Honda G., B) 1’31”555
3 – Dani Pedrosa (Honda R., M) 1’31”802
4 – Valentino Rossi (Yamaha, M) 1’31”934
5 – Randy De Puniet (Kawasaki, B) 1’31”996
6 – Alex Barros (Pramac, B) 1’32”164
7 – Carlos Checa (Honda LRC, M) 1’32”182
8 – Loris Capirossi (Ducati, B) 1’32”203
9 – Nicky Hayden (Honda R., M) 1’32”316
10 – Antony West (Kawasaki, B) 1’32”459