Tyson Gay was born on August 9, 1982 in Lexington, Fayette County, Kentucky, USA. He is an American professional track and field athlete who plays for the US Track and Field National Team.

On August 29, 2007, at the 11th World Athletics Championships in Osaka, Gay won the championship with a time of 9.85 in the men's 100 meters and 19.76 in the men's 200 meters. won the championship. On July 12, 2009, at the IAAF Golden Grand Prix in Rome, Gay won the championship in the men's 100 meters with a time of 9.77. On August 16, at the 12th World Athletics Championships in Berlin, Gay won the runner-up in the men's 100 meters with a time of 9.71. On September 20, at the Shanghai Station of the IAAF Golden Grand Prix, Gay won the championship in the men's 100 meters with a time of 9.69. On August 7, 2010, at the Stockholm Station of the IAAF Diamond League, Gay won the championship in the men's 100 meters with a time of 9.84. On August 27, at the Brussels Station of the IAAF Diamond League, Gay won the championship in the men's 100 meters with a time of 9.79. On May 31, 2015, at the IAAF Diamond League Eugene Station, in the men's 100 meters race, Gay won the championship with a time of 9.88. On the evening of August 23, Tyson Gay finished sixth in the men's 100m final of the World Athletics Championships in Beijing with a time of 10.00 seconds.

He is a veteran of American men’s sprinting. On May 17, 2010, Beijing time, Tyson Gay passed through the newly paved track on Manchester Street in England like a whirlwind, in 19 seconds 41. Gay ran a new world record in the 200m straight. The previous record was 19.50 seconds set by Tommie Smith 44 years ago.

In the early morning of October 16, 2016, Trinity Gay, the 15-year-old daughter of the famous American sprinter Tyson Gay, was shot and killed in Kentucky.