Further, it should be noted that, i n the discipline of Waterski -Racing,  the term A thlete also includes the b oatdriver and the observer who,  together with the skier, form a team ]  76  Comment  to Athlete Support Personal : other Persons in this sense may also be P ersons who act as boatdrivers in training for Athletes  IWWF Anti -Doping Rules 2 021 80   Attempt: Purposely engaging in conduct that constitutes a subs tantial step in a course of conduct planned to culminate in the commission of an anti -doping rule violation.