When does gt5 online events change

[Josh and Brad]

when does gt5 online events change ? 2 weeks 3 weeks or + im not sure lol.

Joshthestig47 (ps3 name)

 

[Tired Tyres]

It varies quite a bit. There's always a message about it in the game though.

 

[Jack]

Its around about once every 4 - 5 weeks. Keeps things fresh.