"Thick sole shoes" current model can be used at the Tokyo Olympics.

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Sporting goods maker Nike's `` thick soles '', a series of long-distance athletes who have set a good record one after another, are not completely banned by the international sports organization World Land Federation, and to prevent further technological development , And revised the regulations such as the thickness of soles to 4 cm or less.

Nike's `` platform shoes '' are shoes with a high resilience with embedded carbon fiber plates, and are men's marathon world record holders, Kenya's Eliud Kipchoge and Japanese record holders, Osako Joshi It has been used by many top players in Japan and overseas, and has been setting good records one after another.

Following a series of record updates by players wearing such thick-soled shoes, the World Federation of Federations, which has set up a judging committee to investigate the performance of shoes, announced the results on Tuesday, stating, `` New technology has an advantage in player performance. And the integrity of the sport is threatened by technology. "

Then, based on the proposal of the Jury, the Board of Directors announced that it had approved the revision of specific regulations such as the thickness of shoes.

This means that shoes cannot be used unless they can be purchased from April 30 until four months before the tournament, and shoes that are not on the market are judged as "prototypes" in principle, and used in the tournament. Is forbidden.

In order to prevent further technical development, the thickness of the sole should be no more than 4 cm in the future, multiple plates of the sole should not be stacked, and the thickness of the spike should be 3 cm when attached to the sole. We have included specific provisions to:

The conventional Nike “thick soles” are less than 4 centimeters thick and have been banned from being used because many runners have already used them. It can be used.

Nakamura at the Olympics "A player who is used to wearing is safe"

Shogo Nakamura, who has been hired as a representative of the Tokyo Olympics in the men's marathon and wearing “sole shoes”, said, “If you can continue to use it, you will be particularly relieved if you are familiar with it. I want to do my best to demonstrate this. "