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The Nike ZoomX Vaporfly Next%. Screenshot: Nike.com

Last weekend, Eliud Kipchoge became the first human to run a marathon in under 2 hours and Brigid Kosgei shattered the women's marathon record.

Why it matters: "It appears that running, the original and most elemental of sports, now faces the same tradition vs. scientific innovation challenge that other sports have encountered," writes NYT's Amby Burfoot.

  • "Think: tennis rackets, baseball bats and, perhaps most similar, competition swimwear — those polyurethane-based suits that were banned starting in 2010."

Key detail: They were both wearing a pair of Nike shoes called the "Vaporfly," which have proven controversial because of the performance boost they seem to provide.

  • In the last 13 months alone, male runners have recorded the 5 fastest marathon times ever — all while wearing a version of the "Vaporfly."
  • Why they're better: They have a carbon fiber plate embedded in the midsole, which acts as a spring and provides more energy return.

Driving the news: After receiving numerous complaints from runners who believe the shoes provide an unfair advantage, the International Association of Athletics Federations (IAAF) has put together a team to "consider the issues."

The bottom line: The outcome of this debate will affect everything from stock prices (Nike and their competitors) to who wins the marathon at the 2020 Olympics.

  • P.S. ... Speaking of the 2020 marathon, the IOC announced on Wednesday that it will be held in Sapporo, rather than Tokyo, due to heat concerns.

Go deeper

5 hours ago - Politics & Policy

Rahm Emanuel floated for Transportation secretary

Rahm Emanuel. Photo: Joshua Lott for The Washington Post via Getty Images

President-elect Biden is strongly considering Rahm Emanuel to run the Department of Transportation, weighing the former Chicago mayor’s experience on infrastructure spending against concerns from progressives over his policing record.

Why it matters: The DOT could effectively become the new Commerce Department, as infrastructure spending, smart cities construction and the rollout of drone-delivery programs take on increasing economic weight.

5 hours ago - Politics & Policy

Biden turns to experienced hands for White House economic team

Illustration: Sarah Grillo/Axios

Joe Biden plans to announce Cecilia Rouse and Brian Deese as part of his economic team and Neera Tanden to head the Office of Management and Budget, sources tell Axios.

Why it matters: These are experienced hands. Unveiling a diverse group of advisers also may draw attention away from a selection of Deese to run the National Economic Council. Some progressives have criticized his work at BlackRock, the world's largest asset management firm.

Biden taps former Obama communications director for press secretary

Photo: Mark Makela/Getty Images

Jen Psaki, who previously served as Obama's communications director, will serve as President-elect Joe Biden's press secretary, the transition team announced Sunday.

The big picture: All of the top aides in Biden's communication staff will be women, per the Washington Post, which first reported Psaki's appointment.

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