All you need to know about the Nike Breaking2 sub-2 hour marathon
Nike's Breaking2 project that flirted with a sub 2:00:00 marathon is fading slightly into the past, and the tech that did it is slow… | Nike, Shoes world, Nike zoom
Breaking2. Nike.com
Nike, Adidas paving the way in race to break 2-hour marathon record | The Star
Nike Unveils Shoe Designed to Run a Sub-2-Hour Marathon
Nike Introduces Breaking2 - Nike News
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