As part of the interim revision of its technical regulations for footwear, the World Athletics Federation has lowered the maximum allowable height of the soles of studded track shoes.

The latest regulations update the extensive measures that have been implemented since January 31 this year. The maximum sole height of track studs is 30 mm-measured from the heel-items 800 meters and above are reduced to 25 mm, and items below are reduced to 20 Mm 800 meters.

The road shoe sole introduced in the fierce debate on the moral justice of Nike's groundbreaking VaporFly Next% shoes still exists with a maximum depth of 40 mm.

These amendments are based on "important ongoing discussions" with the athletic shoe working group established this year and shoe manufacturers.

Before January 31, the sole requirements for sole height are 19 mm for high jump and 13 mm for long jump.

However, the sole height limit has been established for all types of shoes. The maximum length of track and field events other than the triple jump is 20 mm, and the triple jump and cross-country are allowed to be 25 mm.

One of the first concerns about the new series of premium shoes was its high cost, leading to fears that only top sponsored athletes could afford it.

The new measures also include the establishment of a "sports shoe supply plan" for unsponsored elite athletes.

"This is in line with the principle that athletes can reasonably obtain shoes," a IAAF press release said.

"As a priority, in the upcoming meeting, we will work with the working group and the World Federation of Sporting Goods Industry to design a'sports shoe supply plan' to achieve this goal.

"The plan will cover the process, standards, the number of shoes required, the method of distribution, and the delivery time of the shoes (our position has been generally accepted by manufacturers, one month before the international competition)."

IAAF CEO Jon Ridgeon stated that the rule changes announced in late January are aimed at giving athletes a clear message before the 2020 Tokyo Olympics, which were originally scheduled for July and August this year. Held.

However, due to the coronavirus pandemic, the Olympics were postponed for a full year, which gave the governing body more time to consult with stakeholders and experts and develop revised rules to guide the sport until the end of 2021.

"We now have a better understanding of what technologies are already on the market, and we need to draw a line before the Tokyo Olympics to maintain the status quo," Riggin said.

"When formulating these rules, we have always kept in mind the principles of fair competition and universality, safeguarding the health and safety of athletes, reflecting the current challenging economic age of the footwear market, and reaching a broad agreement with footwear manufacturers as major investors. Consensus. In our movement.

"These transitional rules give us more time to formulate a set of long-term working rules, which will be introduced after the Olympics next year, with the aim of striking the right balance between innovation, competitive advantage and universality."

At the same time, the World Athletics Federation stated that due to concerns that road athletes may lack qualifying opportunities before qualifying, it will cancel the suspension of the Olympic qualification system for marathon and race walking events from September 1 this year. Ends on May 31, 2021.

Due to the pandemic's interference with competition and training, the initial suspension period is from April 6th to November 30th, 2020, and is still valid in all other track and field events.

Road athletes will be able to register for the Olympic Qualifying Tournament between September 1 and November 30, but only for pre-determined, advertised, and authorized competitions on the World Athletics Certification Course, as well as drug testing at the competition site.

The chairman of the World Athletics Federation said: "For the rest of this year, most major marathons have been cancelled or postponed, and the evolution of the epidemic makes it difficult to predict whether the marathon originally scheduled for the first half of next year will be held as scheduled." Bastian Coe said.

"This situation, coupled with the fact that endurance athletes in marathons and race walking can only produce a very limited number of high-quality performances a year, without this adjustment, their qualifying window will really shrink."

Mike Rowbottom is one of the most talented sports writers in the UK. As the chief feature writer of Insidethegames, he covered the 2012 London Olympics and the 2016 Rio Olympics and Paralympics, and reported for The Independent The first five Summer Olympics and the four Winter Olympics. He has worked for The Daily Mail, The Times, The Observer, The Sunday Reporter and The Guardian.

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