The UFC will distribute its highest bonus payouts ever at Sunday's UFC Freedom 250 event being held at the White House. The fight of the night award will be worth $400,000, while the top individual performance bonuses will each total $425,000.

The record-breaking bonuses accompany what promises to be an unprecedented sporting event. The White House South Lawn has been transformed into a massive arena featuring a 92-foot steel structure nicknamed "the Claw," thousands of seats arranged in a mini coliseum configuration, and an octagon fighting cage.

The event coincides with President Donald Trump's 80th birthday and the nation's 250th anniversary celebration. About 4,300 military personnel are expected to attend the seven-fight card, which will unfold on the iconic lawn typically reserved for presidential travel and official state functions.

The setup has drawn legal scrutiny. Public Integrity Project filed a lawsuit in federal court seeking an emergency injunction to halt the event, arguing the administration violated multiple federal laws to accommodate what the group describes as a private, for-profit sporting enterprise masquerading as a patriotic celebration. The lawsuit names the National Park Service and Department of the Interior as defendants.

The legal challenge centers on whether the UFC event qualifies for exemptions under a temporary National Park Service rule designed for 250th anniversary events. The rule applies only to events "planned, organized and executed" by the federal government. The lawsuit contends that UFC Freedom 250, which CEO Dana White has indicated was Trump's idea, fails this test and instead constitutes a celebration of the UFC brand.

The suit also raised concerns about the Claw structure, alleging it was erected without required congressional authorization or mandatory environmental review. The massive steel structure has rerouted presidential travel and is visible from the front of the White House.

Trump's stock holdings in TKO Group Holdings, the UFC's parent company, also featured in conflict of interest allegations. Financial disclosures show Trump purchased between $25,000 and $50,000 worth of TKO stock in March.

A federal judge refused to block the event on Friday, allowing organizers to proceed with Sunday's spectacle.

The White House called the lawsuit "obstructionist, baseless, and dilatory," stating the event "will undoubtedly go down as one of the most historic sporting events in our Nation's history."

Weather could complicate Sunday's proceedings. The National Weather Service forecast for June 14 indicates a chance of showers and thunderstorms, with conditions expected to deteriorate into the evening when the main event is scheduled to begin.