C-72.1, r. 5 - Rules respecting Standardbred horse races held at an amateur race track

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144. On the starting line, the post positions for a race are situated by placing the horse having the first position in the 8-foot space nearest the inside hub rail of the racing strip, the horse having the second position in the 8-foot space immediately to the right of the first space, and so on until all the space in the front line is filled.
On the second line, the post positions are established as follows:
(1)  where only 1 horse starts on the second line, it may be placed anywhere on that line;
(2)  where there is more than 1 horse starting on the second line, a horse may be placed anywhere on that line as long as it is placed to the left of the position taken by the horse having a starting position subsequent to its own.
Decision 96-07-24, s. 144.