Laura Muir breaks course record to win NYC Fifth Avenue Mile

Muir smashed the course record by two seconds, while her Scottish compatriot Jake Wightman earned his third victory

World Championships Day Four: Faith Kipyegon wins Kenya’s first gold

A scare in the 200m: Aaron Brown slips out of the blocks, but still advances to the semi-final

Kipyegon outkicks Hassan for Olympic 1,500m gold, sets Olympic record

The U.k.’s Laura Muir ran the race of a lifetime for the silver, and Canada’s Gabriela Stafford finished 5th