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Compared from 55 real runner reviews

Nike Ultrafly vs Saucony Xodus Ultra 4

Side by side from 55 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.

88 signal

39 reviews

73 signal

16 reviews

In short

Stable, roomy shoe for smooth trails; the stiff plate bothers some, and technical ground is weak.

Trail runners like the Xodus Ultra 4's cushioning and comfort, but two had blisters or severe foot pain on longer, technical efforts.

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Specs

Weight
286 g (10.1 oz), men's
Stack height
38 mm heel / 29.5 mm forefoot
Drop
8.5 mm
Weight
309 g (10.9 oz), men's
Stack height
36 mm heel / 30 mm forefoot
Drop
6 mm

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