First of all, the preliminaries are grouped.
(1) If there is only one group, the competition will be the final.
(2) In the second and third groups, the best athlete or relay team should be placed in the last group, and the second best one should be placed in the penultimate group. The last group is placed after the first group, and the second athlete or relay team in each group is arranged in the same way, and so on.
(3) When the number of athletes exceeds three groups, the 24 athletes or relay teams with the best performance will be arranged in the last three groups according to the method in Item (2) of the preceding paragraph. The rest of the athletes or relay teams are grouped into the penultimate group in order of performance. If there are athletes or relay teams left, make up the penultimate group, and so on.
(4) There should be at least three athletes or three relay teams in the preliminaries of any two or more groups. However, after the arrangement, if any athlete or relay team abstained, the preliminary round may be less than three athletes or three relay teams.
(5) Athletes of different events, distances and sexes shall not compete in groups.
Second, the lane layout
(1) When competing in the swimming pool with eight lanes, the athletes or relay teams with the best performance in the same group should be arranged in the fourth lane. Other athletes or relay teams are ranked as track 5, track 3, track 6, track 2, track 7, track 1 track 8 according to their excellent performance.
(2) Where the 50-meter event ends, it shall be implemented according to the decision of the championship, but the arrangement of its swimming lanes shall be arranged according to the method of other events starting from the starting point and ending point.
Third, the finals.
(a) the final lane arrangement, according to the preliminary results, select the top 8, according to the provisions of this article "two, one".
(2) After the preliminaries, when the eighth place is decided, two or more athletes have the same performance, and the way to decide the finalists is as follows: 1. If an automatic timer is used or there are three stopwatches in each track (no finish referee), athletes in the same group or different groups must play again, and the finalists will be determined according to the ranking after the replay.
2. If manual timing is adopted and the finish referee is set, if the athletes in the same group have the same performance, no competition will be held, and the finalists will be determined according to the preliminary ranking. If the athletes in different groups have the same performance, the rematch athletes will be determined in the following three ways, and the finalists will be determined according to the ranking after the rematch.
(1) After a preliminaries, two or more groups of athletes have the same performance, so it is necessary to determine one player to participate in the finals, and the first player in each group will participate in the semi-finals. After the rematch, the top athletes took part in the finals.
(2) After the preliminaries of Group A, the results of athletes in Group A, Group B and Group C (in the final ranking order) are the same as those in Group B. If two players need to be determined to participate in the finals, Group A will be eliminated and Group A and Group B will have a rematch. After the rematch, the winner and Group A will take part in the final.
(3) After the preliminaries of A, if the scores of athletes A and B in Group A are the same as those of athletes A and B in Group B, it is necessary to determine two athletes to participate in the finals. These four athletes will play a rematch together. After the rematch, the first two athletes will take part in the final.
3. The rematch shall be held at least one hour (or at the time determined by the parties concerned through consultation) after all the athletes concerned have finished the preliminary swimming. Arrange the swimming lanes by drawing lots. If the ranking is still the same after the rematch, the rematch will be held again.
(3) If the team finals (without preliminaries) are grouped and the swimming lanes are arranged, then 1 ~ 8 players are ranked in the last group, 9 ~ 16 players are ranked in the penultimate group, and so on, and all athletes are arranged to participate in the competition. The swimming lanes of each group of athletes are arranged in the order of 4, 5, 3, 6, 2, 7, 1 8.
Four, throwing rope life-saving arrangement
(1) The rope-throwing lifesaving competition adopts the arrangement of separated lanes. You can use 1, 3, 5, 7 to race at the start and end, and 2, 4, 6, 8 to race at the end of the turn. The starter sends out a "game start signal" (gunfire, electric flute sound), and both ends start at the same time.
(2) The arrangement of the group is the same as "I, II and III" in Article 3 of Chapter II.
Verb (abbreviation for verb) abstained.
When athletes or relay teams abstain in the final, they will not be replaced.
Note: Grassroots competitions can be arranged according to specific conditions.