Grand Slam Track’s Top Creditors Include Star Athletes

December 15, 2025

Grand Slam Track, Michael Johnson’s embattled running startup that filed for Chapter 11 bankruptcy last week, owes vendors and athletes millions of dollars.

A new legal filing Monday detailing the league’s creditors shows exactly who is owed how much money. The list of unsecured creditors includes some of the biggest names in the sport; world record holder Sydney McLaughlin-Levrone is owed more than $350,000. FRONT OFFICE SPORTS