Nike Alphafly 4 vs Saucony Endorphin Pro 5

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

Better figure, where one is clearly better

Alphafly 4 compared with Endorphin Pro 5
NikeAlphafly 4SauconyEndorphin Pro 5
Overview
ReleasedSeptember 2026February 2026
Fit and feel
Made forRacingRacing
Weight208 g206 g (better)
Heel height–39.5 mm
Forefoot height–31.5 mm
Drop8 mm8 mm
Carbon plateYesYes
Midsole foamZoomX LT foam above ZoomX foam, layered above and below the plate; dual forefoot Air Zoom units, softer and quieter than beforeSupercritical PWRRUN HG top layer on a PWRRUN PB base; SPEEDROLL technology
PlateWide carbon-fibre Flyplate with the Alphafly's propulsive scoopSlotted carbon-fibre plate
UpperSeamless Atomknit upper with open-hole mesh zones, midfoot cables and an integrated heel unit; moulded sockliner–
OutsoleFast Shot outsolePWRTRAC rubber
Use
Best forHalf-marathon and marathon racingRace day and high-performance running (Saucony)
Measured figures–RunRepeat lab: 215 g, 36.5 mm heel, 27.8 mm forefoot, 8.7 mm drop
Design
ColourwaysSea Glass/Laser Crimson/Phantom/Burgundy Ash–

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