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Compared from 229 real runner reviews

adidas Adizero Adios 9 vs adidas Adizero Adios Pro 3 vs Nike Vaporfly 4

Side by side from 229 real reviews. Every count is the same as on each shoe’s page.

How the signal works
The signal score

A score out of 100 for how well reviewed a product is next to others of its kind. It rises with positive reviews and with how many there are; negative and mixed reviews take points off. The best in each category scores in the 90s.

So a handful of glowing reviews can’t beat a product lots of people like. No sponsored placements.

81 signal

38 reviews

94 signal

162 reviews

71 signal

29 reviews

In short

Sock-like upper and durable outsole for track and short races; hard on the legs with heavy use.

Fast, bouncy and long-lasting; the main gripe is blisters, lace bite and heel rubbing.

Runners find the Vaporfly 4 light, snappy and propulsive.

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Specs

Weight
176 g (6.2 oz), men's
Stack height
28 mm heel / 21 mm forefoot
Drop
7 mm
Weight
Not listed
Stack height
Not listed
Drop
6.5 mm
Weight
184 g (6.5 oz), men's
Stack height
35 mm heel / 29 mm forefoot
Drop
6 mm

More comparisons

Shares count reviews with a clear verdict from the recent window, like each shoe’s page. Tags are counted over the same reviews. All shoes