The U.S. government did not pay the more than $3.6 million due to the World Anti-Doping Agency in 2024, making good on a long-running threat anchored in unhappiness with the global watchdog's handling of cases involving Chinese swimmers and others.

In a damaging blow to the agency, the Biden administration said it had lost confidence in WADA’s ability to guard against the use of performance-enhancing drugs by elite athletes.