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In 2017, Nike released a running shoe with the intent to make marathon runners markedly faster. Led by Professor Iain Hunter, researchers at BYU decided to test if those claims were true.
After conducting tests, the team did find that the benefit offered by the Nike Vaporfly 4% shoes was enough to reduce the energy cost of running by 2.8 percent on average compared to other popular running shoes which could ultimately improve a race time by several minutes.
Vaporfly - % - Shoe - Ability - Runners
"The Vaporfly 4% shoe has the ability to allow runners to use less energy when they run," Hunter said. "It especially seems to help those who spend less time on the ground than those who spend greater time on the ground when running."
The study, which was published online in the Journal of Sport Sciences , compared the Nike Vaporfly 4% with the Adidas Adios Boost and the Nike Zoom Streak, two of the most popular shoes for elite marathon runners.
Effectiveness - Shoes - Men - Days - Men
To measure the effectiveness of the shoes, nineteen men participated in two days of testing. To qualify, each of the men had to have completed a 10km run in less than 32 minutes within the past year. Subjects completed five-minute runs at 6:00 minutes per mile pace on an instrumented treadmill followed by five minute-breaks to change shoes until they had worn all three shoe models twice.
"We added in a few measurements from a force-sensing treadmill so we could begin to understand what is making the shoe...
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