Scientists modeled what it would take for a woman to run the mile in under four minutes. NPR's A Martinez talks with researcher Rodger Kram about the prospects for women's world record holder Faith Kipyegon from Kenya.
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What would it take for a woman to run a mile in under four minutes?
Corrected: June 26, 2025 at 12:22 PM EDT
An earlier version of this story incorrectly spelled Rodger Kram's first name.
