Nike Pegasus 42 vs On Cloudmonster 3

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

Pegasus 42 compared with Cloudmonster 3
NikePegasus 42OnCloudmonster 3
Overview
ReleasedApril 2026March 2026
Fit and feel
Made forRoad runningRoad running
Weight300 g295 g (better)
Heel height36 mm35 mm
Forefoot height22 mm29 mm
Drop10 mm6 mm
Carbon plateNoNo
Midsole foamReactX foam midsole (Nike says 13% more responsive than React) with a curved, full-length Air Zoom unitDual-density Helion foam in a triple layer of CloudTec cushioning; enhanced rocker shape
Plate–Nylon-blend Speedboard
UpperLightweight, breathable mesh; midfoot support system; fully moulded socklinerEngineered knit with targeted breathable zones; enhanced tongue
OutsoleUpdated Waffle outsole with high-abrasion rubber and flex groovesCompressed rubber
FitMR-10 2.0 last, with more room at the toes and forefoot than the Pegasus 41; more toe springRegular, true to size (On)
Use
Best forEveryday road runs at a range of pacesEveryday runs; On calls it a daily trainer
Measured figuresRunRepeat lab: 286 g, 36.0 mm heel, 22.0 mm forefoot, 14.0 mm drop (Nike gives 300 g for a men's UK 9 and a 10 mm drop)On gives 295 g for a men's US 8.5. Running Warehouse, men's US 9: 295 g, 40 mm heel, 34 mm forefoot. RunRepeat lab: 301 g, 38.6 mm heel, 32.2 mm forefoot, 6.4 mm drop
Design
Widths–Regular and wide
ColourwaysBlack/Photon Dust/White, White/Photon Dust/Black, Black/Anthracite/Black and others–

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