(a) The course shall be as detailed in the diagram.
 
(b) The centre of the start line is to be in line with the first turning buoy but may vary, dependent on surf conditions, at the discretion of the Referee.
 
(c) The finish line for the Single Ski events shall be between two finish flags corresponding to the orange buoy or arena colours. The centre of this line is to be relative to the third turning buoy or offset to allow for the prevailing surf conditions.

FIGURE 21 - UNDER 17 - MASTERS SKI AND DOUBLE SKI RACES