Faith Kipyegon’s bid to become the first woman to run a mile in under four minutes — which she will attempt Thursday in Paris — began in essence about nine months ago while she visited the Nike campus in Beaverton, Oregon.

Decorated Kenyan track and field star Faith Kipyegon goes for a record that was once-considered insurmountable Thursday, as she attempts to become the first woman to run the four-minute mile. Kipyegon will actually attempt to dip below the 4:00 mark,

Our Sweat Science columnist is on the ground in Paris for Nike’s Breaking4 race on Thursday How did Keely Hodgkinson, the reigning Olympic 800-meter champion, react when she first heard about Faith Kipyegon’s planned attempt to run a sub-four-minute mile?