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Nike’s controversial Vaporfly shoes are helping runners set new records, but some think it’s ‘technology doping.’ Here’s how they work.

The winner of the 2019 New York marathon, Geoffrey Kamworor, and the world marathon record holder, Eliud Kipchoge, both wear Nike Vaporfly shoes. Research suggests Vaporflys give runners more energetic efficiency because the shoes’ foam-and-carbon sole structure ensures less energy is lost with each step. One researcher thinks World Athletics, […]
Nike’s controversial Vaporfly shoes are helping runners set new records, but some think it’s ‘technology doping.’ Here’s how they work.
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What happens to your body during an ultramarathon

Ultramarathons are races ranging from 50 to 4,345 km in distance. Your body can go through a lot of stress during these gruelling tests of human endurance. During races, nausea and vomiting are the most common problems for runners. Some runners may get blurry vision. Sleepiness and hallucinations are problems […]
What happens to your body during an ultramarathon