Seb Coe has spoken of his pride that sport has brought the Olympic dream to London ahead of Wednesday's landmark of one year to the start of the 2012 Games.
The London 2012 chairman said preparations were "where we want them to be" but warned that much work still needed to be done.
Lord Coe said: "It's a pretty big moment for us.
"The Olympic Park venues are in large part built, and though a mountain of work is still needed to prepare them we have an extraordinary platform to build on.
"I feel pride that it's 'sport wot done it'. I cannot look at the Olympic Park without taking great pride that all of us in sport did this."
He said there was "tangible evidence" that the public were already keenly anticipating the arrival of the Games.
He added: "There were 23 million ticket applications by two million people, that's an extraordinary volume, a world record-breaking demand for any sporting event on the planet.
"There have been 250,000 people applying for the 70,000 volunteer places.
"There is a level of excitement and engagement in every one of our torch relay stop-overs."
Lord Coe believes the British team is well-placed to match or exceed their medal haul in Beijing four years ago, but said there were special circumstances surrounding a home Games - particularly in relation to those athletes who suffer from the burden of expectation.