History of Grand Slam Track in Timeline

Grand Slam Track is a professional track and field league founded by former Olympic champion Michael Johnson, announced in 2024. The league's inaugural season took place from April to June 2025. Details, including the league name, were revealed at a press conference in Los Angeles in June 2024, hosted by John Anderson.

2023: Josh Kerr World Champion

In 2023, Josh Kerr was a world champion.

February 2024: Michael Johnson Announces Track League

In February 2024, Michael Johnson announced his intention to launch a track and field league in 2025 and it was announced that the league would include a series of events during the track season between April and September.

February 2024: Initial announcement of Grand Slam Track

In February 2024, the announcement of Grand Slam Track was made by former Olympic champion sprinter Michael Johnson.

February 2024: Announcement of League Aims

In February 2024, the announcement of the League came with the stated aims to increase and boost the sport of track and field in public consciousness and to promote the sport outside the four-yearly cycle of Olympic Games.

May 2024: Kyle Merber Hired as Senior Director of Racing

In May 2024, Kyle Merber was confirmed to be employed as Senior Director of Racing for Grand Slam Track.

June 2024: Press conference in Los Angeles

In June 2024, a press conference took place in Los Angeles, hosted by John Anderson, to reveal the name and other details of the Grand Slam Track league.

June 2024: Athletes Sign Up for Grand Slam Track

In June 2024, double Olympic champion Sydney McLaughlin-Levrone and 2023 world champion Josh Kerr signed up for the Grand Slam Track events.

June 2024: League Officially Launched

In June 2024, the league officially launched, prior to its 2025 debut season.

September 2024: More Athletes Sign Up for Grand Slam Track

In September 2024, Cole Hocker, Yared Nuguse, Kenny Bednarek and Fred Kerley signed onto the Grand Slam Track league.

September 2024: Morolake Akinosun Announced as Head of Athlete Relations

In September 2024, Olympic champion and former sprinter Morolake Akinosun was announced as the Head of Athlete Relations.

September 2024: Report on Grand Slam Track Meet Locations

On September 13, 2024, LetsRun.com reported the Grand Slam Track meet locations would be in Los Angeles, New York City, Kingston, Jamaica, and Birmingham.

November 2024: Official Announcement of Four Locations

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

December 2024: Announcement of Racers for 2025 Season

By December 19, 2024, the entire set of racers for the 2025 season was announced, including 13 individual global gold medalists.

February 2025: Agreements with The CW and Peacock

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 for streaming and coverage of events.

June 2025: First Season of Grand Slam Track

In June 2025, the first season of the Grand Slam Track league ran from April to June.

June 2025: Los Angeles Slam Cancelled; Partnership with Sundial Media

On June 12, 2025, the Los Angeles Slam was cancelled due to the geopolitical climate and a poor lease agreement with UCLA. On June 18, 2025, Grand Slam Track announced a partnership with Sundial Media and Technology Group.

July 2025: Unpaid Dues and Financial Difficulties

Following the conclusion of the 2025 season, as of July 2025, Grand Slam Track had yet to pay the City of Miramar for the rental of the Ansin Sports Complex and reportedly owed $13 million in prize money to athletes. Prize money payouts were scheduled from the end of July through to the end of September. Michael Johnson stated the league was facing a difficult financial situation.

2025: 2025 Debut Season

In 2025, the league had it's debut season.

2025: Track and Field League in 2025

In 2025, the track and field league events would include a series of events during the track season between April and September, though events ended up only running through June.