I am doing to the 10k
It starts at Fed square along flinders street, Brunton avenue, through the car park of the RFC up to the Hilton, down round the G. at the back of the members area, over the bridge, around Rod Laver arena, back up to exhibition street, then do a u turn back along the river to morell bridge( bottom of Anderson st hill) then back along the other side of the river back up to swanston st and then to fed square.