Nike Structure 26 vs Saucony Endorphin Speed 5

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Structure 26 compared with Endorphin Speed 5

	NikeStructure 26	SauconyEndorphin Speed 5
Overview
Released
Released	July 2025	July 2025
Fit and feel
Made for
Made for	Road running	Road running
Weight
Weight	321 g	237 g (better)
Heel height
Heel height	36.1 mm	36 mm
Forefoot height
Forefoot height	26 mm	28 mm
Drop
Drop	10 mm	8 mm
Carbon plate
Carbon plate	No	No
Midsole foam
Midsole foam	Full-length ReactX foam midsole; the forefoot Air Zoom unit of the Structure 25 is gone	PWRRUN PB; SPEEDROLL technology; full-length groove
Plate
Plate	–	Full-length, semi-rigid nylon plate
Upper
Upper	Engineered mesh with more collar and tongue padding; internal midfoot fit band and overlays in key support zones; reflective details	Lightweight engineered mesh
Outsole
Outsole	Zonal outsole with high-abrasion rubber in the heel and softer blown rubber in the forefoot	Reconfigured outsole with expanded heel coverage
Fit
Fit	Midfoot support system wrapping the medial arch and lateral heel; fits small, Nike recommends ordering half a size up	–
Use
Best for
Best for	Stability for long runs and routine training miles	Speed days and race days (Saucony)
Measured figures
Measured figures	RunRepeat lab: 296 g, 36.1 mm heel, 26.0 mm forefoot, 10.1 mm drop (Nike gives 321 g for a men's size 9 in its details and 320 g elsewhere on the page)	RunRepeat lab: 241 g, 37.4 mm heel, 26.8 mm forefoot, 10.6 mm drop
Design
Colourways
Colourways	Grey Mist/Smoky Blue/Racer Blue/Black, Black/Bright Crimson/Dark Smoke Grey/Metallic Dark Grey, White/Green Spark/Summit White/Midnight Navy and others	–
Widths
Widths	Regular and wide	–