The 27-year-old sprinter took the lead one hundred meters before the finish, reaching a new personal record of 48.36 seconds.
She won a day after winning the title of compatriot Stephen Gardiner in this distance for men.
Her husband, Estonian decathlete Maicels Uibo in Tokyo, was ranked 15th with 8037 points.
Dominican Republic’s Marileidia Paulino won silver with a new national record (49.20), while the bronze award was won by US sprinter Ellison Felix, who became the medal-richest athlete in the history of the Olympic Games. She has only the first bronze, winning gold six times and silver three times.
Nine Olympic medals are in the interest of Jamaica and Slovenia in Merlin Otia’s account. She has three silver and six bronze medals.
The legendary American sprinter and long-jumping Karl Lewis also has ten medals, nine of which are gold and one silver.
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