Horses shall take their positions in numerical order from the inside rail, that order to be determined by post positions. When there are eight or more horses starting in a race, they will be loaded in the gate two at a time, from the inside rail and from the middle post position on out.
N.J. Admin. Code § 13:70-17.6
See: 27 New Jersey Register 3305(a), 27 New Jersey Register 4904(b).