Track Athletics in Detail (extract)

APPENDIX 143 RULE XXI.—JUMPING SECTION I. A fair jump shall be one that is made without the assistance of weights, diving,somersaults, or hand springs of any kind. SEC. 2. THE RUNNINGHIGH JUMP. — The Field Judges shall decide the heightat which the jump shallcommence, and shall regulate the succeeding elevations. Each competitor shall be allowed three trial jumps at each height, and ifon the third trial he shall fail, he shall be declared out of the competition. At each successive height each competitor shall take one trial in his proper turn; then those failing, if any, shall have their second trial jump in a like order, after which those having failed twice shall make their third trial jump. The jump shall be made over abar resting on pins projecting not more than three inches from the uprights, and when this bar is removed from its place it shall be counted as a trial jump. Running under the bar in making an attempt to jump shall be counted as a "balk," and three successive "balks" shall be counted as a trial jump. The distanceof the run before the jump shall be unlimited. A competitor may decline tojump at any heightin his turn, and, by so doing, forfeits hisright toagain jumpat theheight declined. SEC. 4. THE RUNNING BROAD JUMP.— When jumped on earth a joist five inches wide shall be sunk flush with it. The outer edge of this joist shall be called thescratch line, and themeasure­ ment of all jumps shall be made from it at right angles to the nearest break in the ground made by any part of the person of the competitor. In front of the scratch line the ground shall be removed to the depth of three and thewidth of twelve inches outward. A foul jump shall be one where the competitor in jumping off the scratch line makes a mark on the ground immediately in front of it, or runs overthe linewithout jumping,and shall count as a trial jump without result. Each competitor shall have three trial jumps, and the best three shall each have three more trial jumps. The competition shall be decided by the best of all the trial jumps of the competitors.