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Compared from 74 real runner reviews

Altra Olympus 275 vs On Cloudultra 2 vs Nike Zegama 2

Side by side from 74 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.

78 signal

16 reviews

58 signal

5 reviews

95 signal

53 reviews

In short

Cushioned, grippy and tough for long technical days; the gripes are a wide shape and a heel that folds.

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Cushioned, grippy trail shoe that lasts, but bulky; reviews split on stability, with some rolling ankles.

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Specs

Weight
305 g (10.8 oz), men's
Stack height
33 mm heel / 33 mm forefoot
Drop
0 mm
Weight
295 g (10.4 oz), men's
Stack height
27 mm heel / 21 mm forefoot
Drop
6 mm
Weight
303 g (10.7 oz), men's
Stack height
36 mm heel / 32 mm forefoot
Drop
4 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