NM in track and field rules, WR in sports is the world record, then what is WL???

In track and field rules, NM stands for invalid jump, that is, an athlete is judged to have failed if he is unable to complete the prescribed movements or fails to meet the requirements during the competition.

WR stands for the world record, which refers to the best result achieved by a player in a certain track and field event, the result recognized and recorded by the IAAF.

So, what does WL mean? WL represents the world's best result of the year. It refers to the best result achieved by a player in a certain year. Different from the world record, WL is not recognized and recorded by the IAAF. It only makes statistics and references based on the results of a certain year.

Specifically, WL is calculated by summarizing and counting the best results achieved in track and field competitions around the world in a certain year. These results can be indoor competitions, outdoor competitions, or competitions at different levels, such as the IAAF Golden Grand Prix, the World Athletics Championships, etc. The significance of WL is to highlight the best performance of world athletes in track and field events in a certain year and reflect the level of track and field for that year.

WL calculation often uses a certain point system, and a certain score is usually assigned to each score. In this way, after the calculation is completed, the player's world best score in the year can be calculated based on the sum of the player's results in each event.

It should be noted that WL only ranks and statistics results in a certain year and cannot be recognized as a world record. Its purpose is to compare the performance of individual players in various events within a given year and does not have permanent significance.