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Compared from 179 real runner reviews

Saucony Endorphin Speed 2 vs adidas Adizero Boston 12

Side by side from 179 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.

50 signal

7 reviews

93 signal

172 reviews

In short

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Firm, very durable and grippy for tempo days; the main complaint is heel slip and poor lockdown.

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Specs

Weight
227 g (8 oz)
Stack height
35.5 mm heel / 27.5 mm forefoot
Drop
8 mm
Weight
260 g (9.2 oz), men's
Stack height
37 mm heel / 30.5 mm forefoot
Drop
6.5 mm

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