[8] Olympic champion and former sprinter Morolake Akinosun was announced as the Head of Athlete Relations in September 2024.

[9][10][11] In September 2024, it was confirmed that Cole Hocker and Yared Nuguse, the 2024 Olympic gold and bronze medalists respectively in the 1500 metres, had signed onto the league.

[13] On 13 September 2024, LetsRun.com reported that the Grand Slam Track meet locations would be in Los Angeles, New York City, Kingston, Jamaica, and Birmingham with the events being held during two weeks in April and two in May, noting that they had not yet confirmed the information with a second source.

[14] In November 2024, Grand Slam Track officially announced the four locations as Kingston, Los Angeles, Miramar, and Philadelphia.

The Challengers will vary between Grand Slam meetings based on recent performances and potential matchups.

The athlete with the best combined score between the two events in their category will be deemed the winner, or Slam champion, of that specific meeting.

[2] In February 2025, Grand Slam Track announced agreements with The CW, an over-the-air network, and the streaming service Peacock in the United States.