Julien Alfred upsets Sha'Carri Richardson in 100-meter dash

(Photo credit: Kirby Lee-USA TODAY Sports)

PARIS -- Julien Alfred delivered a brilliant gun-to-tape performance to win the women's 100 meters final on Saturday and claim Saint Lucia's first-ever Olympic medal.

Alfred made her usual slick start and remained clear in heavy rain on a sodden track to come home in a national-record 10.72 seconds.

World champion and race favorite Sha'Carri Richardson took silver in 10.87 but