Tottenham have expressed their concern after it emerged that West Ham are close to victory in their bid to take over the Olympic Stadium after the 2012 Games.
Officers from the Olympic Park Legacy Company (OPLC) are set to recommend West Ham's bid to board members ahead of Tottenham's when they meet at a venue in Westminster.
Tottenham said in a statement: "Whilst we are concerned to read that there appears to have been a leak of information from the OPLC about what their recommendation and decision may be, we regard it as premature to make any comment at this stage."
Spurs chairman Daniel Levy has previously suggested the club would consider applying for a judicial review if they believed that their bid was not given fair consideration.
The recommendation from OPLC executives does not automatically mean that West Ham will win the backing of the board members, but it would be a surprise if that was not the case.
The board's decision also has to be ratified by two Government departments and the London Mayor's office.
There is concern among members of the Tottenham consortium that the row over whether an athletics track should be retained has become a highly-charged political issue.
West Ham would retain the running track while Tottenham's plans would be to create a football-only stadium without the track and redevelop Crystal Palace for athletics.
London 2012 chairman Sebastian Coe is among those calling for the track to be maintained in line with promises made to the International Olympic Committee back in 2005.
Tim Leiweke, the president of Anschutz Entertainment Group (AEG) who are partnering Tottenham, claimed on Wednesday the Olympic Stadium would "go broke in 10 years" if an athletics track is retained.