https://www.worldathletics.org/...modified-rules-shoes
Alpha fly's not legal, I don't know how this applies to vaporfly
Alpha fly's not legal, I don't know how this applies to vaporfly
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Re: World athletics has done justice. Ban hammer has been used [synthetic]
[ In reply to ]
Interesting Highlights:
From 30 April 2020, any shoe must have been available for purchase by any athlete on the open retail market (online or in store) for a period of four months before it can be used in competition.
Further, with immediate effect there will be an indefinite moratorium on any shoe (whether with or without spikes) that does not meet the following requirements:
From 30 April 2020, any shoe must have been available for purchase by any athlete on the open retail market (online or in store) for a period of four months before it can be used in competition.
Further, with immediate effect there will be an indefinite moratorium on any shoe (whether with or without spikes) that does not meet the following requirements:
- The sole must be no thicker than 40mm.
- The shoe must not contain more than one rigid embedded plate or blade (of any material) that runs either the full length or only part of the length of the shoe. The plate may be in more than one part but those parts must be located sequentially in one plane (not stacked or in parallel) and must not overlap.
- For a shoe with spikes, an additional plate (to the plate mentioned above) or other mechanism is permitted, but only for the purpose of attaching the spikes to the sole, and the sole must be no thicker than 30mm.
Re: World athletics has done justice. Ban hammer has been used [synthetic]
[ In reply to ]
Vaporflys are fine
https://www.runnersworld.com/...1/nike-vaporfly-ban/
The previous version of Nike’s Vaporfly series, the Next%, will remain eligible at all levels of competition as the stack height of its heel is approximately 40mm, with a 32mm forefoot stack height and an average of 36mm. While Nike has not announced details of the Alphafly’s composition, industry experts estimate that its heel stack height is 50mm or more and that it contains three plates. (Runner’s World has not received a pair for testing in our labs to confirm.) At the time of publication, Nike had not responded to questions about the stack height or number of plates in the Alphafly.
Strava
https://www.runnersworld.com/...1/nike-vaporfly-ban/
The previous version of Nike’s Vaporfly series, the Next%, will remain eligible at all levels of competition as the stack height of its heel is approximately 40mm, with a 32mm forefoot stack height and an average of 36mm. While Nike has not announced details of the Alphafly’s composition, industry experts estimate that its heel stack height is 50mm or more and that it contains three plates. (Runner’s World has not received a pair for testing in our labs to confirm.) At the time of publication, Nike had not responded to questions about the stack height or number of plates in the Alphafly.
Strava
Re: World athletics has done justice. Ban hammer has been used [synthetic]
[ In reply to ]
synthetic wrote:
I don't know how this applies to vaporflyIt doesn't. 4% and Next% are safe.
Re: World athletics has done justice. Ban hammer has been used [TulkasTri]
[ In reply to ]
I would like to see Kipchoge and Nike repeat the sub-2 attempt but this time with him wearing the Next%.
Re: World athletics has done justice. Ban hammer has been used [Durhamskier]
[ In reply to ]
Durhamskier wrote:
Interesting Highlights: From 30 April 2020, any shoe must have been available for purchase by any athlete on the open retail market (online or in store) for a period of four months before it can be used in competition.
Further, with immediate effect there will be an indefinite moratorium on any shoe (whether with or without spikes) that does not meet the following requirements:
- The sole must be no thicker than 40mm.
- The shoe must not contain more than one rigid embedded plate or blade (of any material) that runs either the full length or only part of the length of the shoe. The plate may be in more than one part but those parts must be located sequentially in one plane (not stacked or in parallel) and must not overlap.
- For a shoe with spikes, an additional plate (to the plate mentioned above) or other mechanism is permitted, but only for the purpose of attaching the spikes to the sole, and the sole must be no thicker than 30mm.
Great !
A reasonable limit in stack heigh
Shoes must be widely available before competition
Saucony, Brooks, Asics, Adidas, .... will be able to launch safely their VF equivalents, knowing the rules.
All pro will be in equivalent positions for the Olympics.
And I will be able to by a VF clone, with equivalent performances, more stable, less expensive. Nicer color. Byby ugly green and pink.
Thanks IAAF