For those in the half marathon , runners will see volunteers at the 16 kilometre mark ; .
Full marathoners will see the crew at the 34 , 37 , 38.5 and 40 kilometre mark .
For those in the half marathon , runners will see volunteers at the 16 kilometre mark ; and full marathoners will see the crew at the 34 , 37 , 38.5 and 40 kilometre mark .