C-72.1, r. 4 - Rules respecting Standardbred horse races held at a professional race track

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333. For the time of a race to be declared official, the distance in linear feet between the starting line and the finish line of a racing strip shall be measured 3 ft towards the outside of the strip from the hub rail on the inside of the racing strip and shall be certified to the board by a civil engineer or a land surveyor.
That procedure shall be repeated by the association each time the inside hub rail of the racing strip is moved.
Decision 90-09-19, s. 333.