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,

CBC Sports' daily newsletter looks at Kenyan track star Faith Kipyegon's attempt to run a sub-four-minute mile on Thursday in Paris.