187. During a race, a driver must not drive in such a manner as to:(1) cause his or her sulky to touch another sulky;
(2) prevent a horse from gaining a position;
(3) maintain an outside position without making the necessary effort to improve his or her position;
(4) allow another horse to pass needlessly on the inside;
(5) leave an opening for another horse where he or she should not do so;
(6) help another horse to improve its position;
(7) cause his or her horse to race at its full capacity only when challenged to do so;
(8) cause his or her horse to break its gait;
(9) cause a wheel of his or her sulky to leave a racing strip that does not have a continuous hub rail.