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Part of situation: Nike Alphafly 4 and Race-Day System launch (5 clusters)

Nike unveils Apex marathon racing shoe with double-stacked Air Zoom units

Nike Apex marathon racing shoes Air Zoom technology ZoomX LT foam running footwear innovation

Nike has announced the introduction of the Apex, a new pinnacle marathon racing shoe designed to advance its race-day footwear system. The lineup also includes the Alphafly 4 and the Swooshfly, which is aimed at runners seeking an accessible introduction to carbon-plated footwear.

The Apex features several technical innovations, most notably a double-stacked Air Zoom unit configuration under the forefoot. This design, combined with a redesigned carbon fiber Flyplate and new ZoomX LT foam, is claimed to provide up to 40 percent more energy return than the Alphafly 3 while weighing more than 10 percent less.

Technically, the shoe utilizes a 40-millimeter stack height at both the heel and forefoot to create a zero-drop geometry. The outsole incorporates Goatek and Fast Shot rubber technologies for traction and durability, while the upper is constructed from lightweight Flyknit X fabric. The Apex is scheduled to become available in January 2027.

Entities

Nike · Nike Sport Research Lab · Phil McCartney

Claims

What the coverage asserts, and how many sources carry each claim.

Sources

Nike Is One-upping Its Own Alphafly 4 With a New Pinnacle Super Shoe Boasting Double-Stacked Air Units [wwd.com]
Nike Reveals Apex, Alphafly 4 and Swooshfly Race Shoes [www.designscene.net]
Nike Debuts Race-Day Running Shoe System for All Runners [technosports.co.in]
Introducing Nike Apex: The Next Leap in Marathon Speed [www.webwire.com]
NIKE launches Apex and escalates the marathon battle: here is how it aims to compete against the historic adidas Adizero [www.merca20.com]