Nike Alphafly 4 vs Nike Vaporfly 4

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

Better figure, where one is clearly better

Alphafly 4 compared with Vaporfly 4
NikeAlphafly 4NikeVaporfly 4
Overview
ReleasedSeptember 2026March 2025
Fit and feel
Made forRacingRacing
Weight208 g190 g (better)
Heel height–34.1 mm
Forefoot height–25.5 mm
Drop8 mm6 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 beforeFull-length ZoomX foam midsole, with foam removed where it isn't needed to save weight
PlateWide carbon-fibre Flyplate with the Alphafly's propulsive scoopFull-length, curved carbon-fibre Flyplate at a higher angle than the Vaporfly 3
UpperSeamless Atomknit upper with open-hole mesh zones, midfoot cables and an integrated heel unit; moulded socklinerEngineered mesh; smaller heel and tongue; centred lace system with slightly elastic laces
OutsoleFast Shot outsoleThinner blown rubber outsole than the Vaporfly 3
Use
Best forHalf-marathon and marathon racingRacing from 5K and 10K to the marathon
Measured figures–RunRepeat lab: 166 g, 34.1 mm heel, 25.5 mm forefoot, 8.6 mm drop
Design
ColourwaysSea Glass/Laser Crimson/Phantom/Burgundy AshSpruce Aura/Grey Fog/Ice Peach/Dark Obsidian, Barely Green/Volt Tint/Sapphire/Black Spruce and others

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