Add the Paris Olympics 100m bronze medalist to the Racer roster for Grand Slam Track.

On Thursday, Grand Slam Track announced the signing of Olympic medalist Melissa Jefferson, who becomes the seventh athlete to join the league created by Michael Johnson beginning in 2025.

Jefferson, who earned the women's 100m bronze medal and was part of the winning women's 4x100m relay team at the Paris Olympics in August, joins a star-studded list of slated athletes to compete in the new circuit, including Sydney McLaughlin-Levrone, Josh Kerr, Cole Hocker, Yared Nuguse, Fred Kerley and Kenny Bednarek.

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Jefferson joins 400m hurdles star McLaughlin-Levrone as the first two women to sign with the league.

Hailing from Coastal Carolina where she won an NCAA Indoor title in the women's 60m in 2022, Jefferson has already found much success in the earlier stages of her career, helping Team USA to two World Championship titles in the women's 4x100m and then making her first Olympic team this year.

What Is Grand Slam Track?

Grand Slam Track, created by four-time Olympic gold medalist Johnson, will feature four track events -- AKA Slams -- in 2025 where signed Racers and appearing Challengers will compete head-to-head in two events over the two-days Slams. Racers, including Kerley and Bednarek, will receive base compensation for competing in each Slam and can earn additional prize money based on their performances.

96 total athletes -- 48 Racers and 48 Challengers -- will compete in each Slam. Grand Slam has a reported prize pot of $12.6 million and the Category winners of Slam will win $100,000. 

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