
Nike Pegasus 42
2026Stocked at Amazon10.1 oz · 37/27 mm stack · 10 mm drop
ReactX foam with a full-length curved Air Zoom unit
The Pegasus is Nike's workhorse daily trainer, updated every year since 1983. Most versions change little, which is the point. The exceptions, like the switch to ReactX foam in the 41, are where loyal runners get caught out. This page tracks every recent version, what changed, and where to find the one you actually want.
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10.1 oz · 37/27 mm stack · 10 mm drop
ReactX foam with a full-length curved Air Zoom unit

10 oz · 37/27 mm stack · 10 mm drop
Full-length ReactX foam with Zoom Air units under heel and forefoot

9.6 oz · 33/23 mm stack · 10 mm drop
React foam with Zoom Air units under heel and forefoot

9.3 oz · 33/23 mm stack · 10 mm drop
React foam with Zoom Air units under heel and forefoot

10.2 oz · 28/18 mm stack · 10 mm drop
React foam with a forefoot Zoom Air unit

10 oz · 28/18 mm stack · 10 mm drop
React foam with a forefoot Zoom Air unit
Availability last checked Jul 28, 2026.
We ranked the shoes that ride closest to it (a firm, snappy daily trainer with a 10 mm drop and a bit of Zoom Air pop) and called out the honest differences.
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