The vaporfly thread

88 watchers
Dec 2020
5:04pm, 6 Dec 2020
386 posts
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Big_G
SPR, I'm not too sure. It does look quite odd and if I hadn't seen it on YouTube I'd have been a bit worried if it had happened to me if I'd bought them. EdBudd (Shoetuber) said he can actually feel them a bit if he rubs his hand along them, but he likes the shoe but it took him some time to get used to it.
SPR
Dec 2020
5:06pm, 6 Dec 2020
32,407 posts
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SPR
BG - The RTR talks about it and doesn't see it as issue. Whether it means they wear out quickly, who knows.
SPR
Dec 2020
5:11pm, 6 Dec 2020
32,409 posts
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SPR
Nike plate: multisportmojo.com
Dec 2020
5:19pm, 6 Dec 2020
4,231 posts
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K5 Gus
Adidas rods

SPR
Dec 2020
5:23pm, 6 Dec 2020
32,410 posts
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SPR
This is Nike's similar image: https://static.nike.com/a/images/f_auto/dpr_2.0/h_500,c_limit/30b22094-ceed-4828-b1c2-49f95e2ebd87/nike-vaporfly-featuring-the-new-vaporfly-next.jpg
J2R
Dec 2020
7:01pm, 6 Dec 2020
3,302 posts
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J2R
I think one conclusion we can definitely draw from today's astonishing half marathon times is that Nike do not have some special, unique secret, and that other manufacturers' takes on the same basic principle, of a thick layer of springy foam given structure by a carbon fibre insert of some kind, can be just as effective.

Nor does it seem to be the case that PEBA foam is essential, as that arkivX article suggested - the Lightstrike Pro foam is obviously highly effective.
Dec 2020
7:11pm, 6 Dec 2020
4,232 posts
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K5 Gus
The Lightstrike Pro foam is not as light as pebax foam, there's about 40g difference per shoe between the Adios Pro and the Next% ( 224g v 184g, both US9 ) which may make more of a difference at the full marathon compared to the half ?
SPR
Dec 2020
7:21pm, 6 Dec 2020
32,414 posts
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SPR
I'd have thought it's the opposite, weight not as crucial as it gets longer? Will be interesting to see the women marathoners as Adidas was the dominant there (to my eye anyway, not checked stats) before the VPs arrived and they've been running well in HM as well.

J2R - Adidas have matched and possibly suppassed but have taken awhile to do it and have a bit of a unique take. Not sure the others have yet but any differences may be enough to skew results.
J2R
Dec 2020
7:32pm, 6 Dec 2020
3,303 posts
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J2R
My thoughts exactly, SPR - it's the shorter distances where absolutely minimum weight is most valuable.
Dec 2020
7:42pm, 6 Dec 2020
21,556 posts
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Dvorak
Thanks for the pics. Different positions depending on the part of the shoe then. I that Adidas's blurb for the rods was a bit odd - "built from analysis of the bone construction of elite athletes". Do elite athletes actually have differently constructed metatarsals to run of the mill runners? There's a bit of an insurmountable barrier for people - bones in the foot being something I think is pretty resistant to training.

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