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The Nike VaporFly and Adidas Adizero Sub2 vie for distance supremacy.
Go the distance with plenty of support and comfort.
Perfect for runners, weightlifters, triathletes, and weekend warriors.
The shoe giants are gunning for sub-2-hour finishes.
Scientists reveal 3 strategies to make it all very possible.
That's the idea behind a new study.
It's probably no big deal. Probably.
The loving caress your feet have been begging for.