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WSJ with video [10]
Text
- The new regulations issued by World Athletics, formerly the IAAF, would restrict the thickness of a shoe’s sole, but the group set a limit of 40 millimeters. That is greater than the current Vaporfly shoes, which have a 36-millimeter sole. It would also limit shoes to a single rigid embedded plate, like the current Vaporflys.
- starting on April 30, any shoe used in elite competition must have been available for purchase on the open retail market for four months. That would prohibit the possible use of emerging prototypes from competing brands, which have raced to match Nike’s technology
- have sent shock waves through distance-running ever since elite, Nike-sponsored athletes started using them in 2016
- Nike-funded research has found that the shoes can reduce a runner’s energy cost and thus improve efficiency by up to 4.2%.
- The U.S. is one of the few nations that holds trials for the marathon rather than hand-selecting athletes. The question of who is and isn’t wearing Vaporflys now hangs over the race.
- The number of Adidas-sponsored runners winning major marathons has halved since the Vaporflys were introduced, according to a Wall Street Journal analysis of results since 2016.
Video
- World Athletics Rules say "Such shoes, however, must not be constructed so as to give athletes any unfair assistance or advantage"
- Peter Thompson a professional running coach and former World Athletics Official asks why would you not use them because they give you an advantage? and the same person might say well why don't you allow doping because that can be accessible to everybody and if it doesn't harm them then why can't they just do doping.... Some have suggested that the shoe right now is a form of mechanical doping. He thinks the Vaporflys should be banned from competition to protect the integrity of the sport
WSJ with competitors [45]
- World Athletics released new guidelines in January setting limits for shoes. Must have a sole with a maximum thickness of no more than 40mm
- Must not contain more than on rigid plate or blade made from carbon fiber or another material with similar properties or producing similar effects, whether that plate runs the full length of the shoe or only part of the length of the shoe
- World Athletics had received complaints about the Vaporflys for at least the past two or three years but the World Athletic made updates this january of an olympic year
- Nike sponsors many events, USA track and field, the president of World Athletics is a longtime former Nike-sponsored athlete
- Competitors like Brooks would generally "spend more time between prototype and bringing a shoe to market but the recent WA ruling pushed us [(Brooks)] to reassess our go to market strategy
NYT
https://www.nytimes.com/2020/01/31/sports/olympics/nike-vaporfly-shoe-ban.html
- "World Athletics, said that starting on April 30, elite runners cannot run in prototype shoes that had not been available for any competitor to buy on the open market for at least four months, and footwear must meet certain design specifications."
- The previous World Athletics rules stated only that shoes must not confer an “unfair advantage” and must be “reasonably available” to all. The rules do not explain how these two values were to be assessed.
- some athletes — especially who are those not endorsed by Nike — expressed concern that the shoes had created an unlevel playing field, much as expensive high-tech swimming suits did before they were banned from competition.
NPR and critics [46]
https://www.npr.org/2020/02/23/808681604/nike-vaporfly-shoes-controversy
- Some of the anecdotal feedback that we're getting from runners is that it leaves legs less sore because it's absorbing the energy. It's not hammering the legs - because running is a very, very impact-related sport
- Some critics have called the VaporFlys technological doping, arguing that the shoes give athletes an unfair advantage over competitors who are not equipped with the same technology
Washington Post
- Distance running was slow to realize it faced the same issue. The sport’s powers failed to view the running shoe as a piece of equipment. They regulated shoes as if they were clothing instead of a racecar or a tennis racket or a pair of Alpine skis. When they finally acted, it was as if they were putting toothpaste back in the tube.
- Research showed the shoes improved running economy by an average of 4 percent, a monumental total. Runners who used them could break records, and runners who didn’t could not keep up
- In an exhaustive blog post published Thursday, Tucker argued, with studies to back him up, that even if every runner has access to the Vaporfly technology, or something similar in another brand, it would still create an unbalanced playing field. Some runners, according to studies Tucker cited, respond to the shoes’ technology more effectively in terms of running efficiency, and those who respond well have a massive advantage over those who do not. The advantage is so stark, Tucker wrote, that runners who do not respond to the shoe well would be winnowed from competitive running at an early age.
WORLD ATHLETICS [44]
https://www.worldathletics.org/news/press-releases/modified-rules-shoes
The Assistance Review Group has concluded that there is independent research that indicates that the new technology incorporated in the soles of road and spiked shoes may provide a performance advantage and there is sufficient evidence to raise concerns that the integrity of the sport might be threatened by the recent developments in shoe technology.
It has therefore recommended that further research be undertaken to establish the true impact of this technology and that a new working group, comprising biomechanics specialists and other qualified experts, be formed to oversee this research, and to assess any new shoes that enter the market, where required. Shoe manufacturers will be invited to be part of this assessment process.
https://www.theguardian.com/sport/2015/nov/26/sebastian-coe-iaaf-nike
coe salary and building