On Cloudsurfer 2 vs Saucony Endorphin Speed 5

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Cloudsurfer 2 compared with Endorphin Speed 5

	OnCloudsurfer 2	SauconyEndorphin Speed 5
Overview
Released
Released	February 2025	July 2025
Fit and feel
Made for
Made for	Road running	Road running
Weight
Weight	261 g	237 g (better)
Heel height
Heel height	37 mm	36 mm
Forefoot height
Forefoot height	28 mm	28 mm
Drop
Drop	9 mm	8 mm
Carbon plate
Carbon plate	No	No
Midsole foam
Midsole foam	Helion foam in a CloudTec Phase cushioning system; no Speedboard	PWRRUN PB; SPEEDROLL technology; full-length groove
Plate
Plate	–	Full-length, semi-rigid nylon plate
Upper
Upper	Engineered mesh with 88% recycled polyester (Running Warehouse); refined tongue; embroidered eyelets and overlays	Lightweight engineered mesh
Outsole
Outsole	Computer-optimised tread with thicker rubber and smaller cavities	Reconfigured outsole with expanded heel coverage
Use
Best for
Best for	Everyday runs; On calls it a daily trainer	Speed days and race days (Saucony)
Measured figures
Measured figures	Running Warehouse, men's US 9: 255 g, 37 mm heel, 28 mm forefoot. RunRepeat lab: 254 g, 37.5 mm heel, 27.1 mm forefoot, 10.4 mm drop. On doesn't publish the stack	RunRepeat lab: 241 g, 37.4 mm heel, 26.8 mm forefoot, 10.6 mm drop
Design
Widths
Widths	Regular and wide	–