Melissa Jefferson-Wooden became only the second woman to win a world sprint treble after leading the United States to 4×100 metres relay gold on Sunday, with Jamaica’s Shelly-Ann Fraser-Pryce taking silver in her final race.

Jefferson-Wooden matched Fraser-Pryce’s achievement from the 2013 world championships in Moscow by adding to the 100m and 200m titles that she bagged in Tokyo.

She led off the race in driving rain before handing off to her team-mate Twanisha Terry before Kayla White ran the bend and Sha’Carri Richardson took the baton across the line in a time of 41.75sec.

Jamaica were second in 41.79sec, followed by Germany in 41.87sec.

Fraser-Pryce was competing in her final race before bringing the curtain down on an incredible 17-year career.

She went into the race with three

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