More than 100,000 people have offered to volunteer at the London 2012 Games, Lord Coe has said.
With just a week to go before applications close at midnight on October 27, the London 2012 chairman said: "We have had an amazing response to date, with over 100,000 people offering to lend their time in the summer of 2012."
London 2012 needs to sign up 70,000 volunteers, or Games Makers, in what is being described as the biggest recruitment exercise since the Second World War.
Lord Coe said: "We will be taking forward applications on merit, ensuring we match the best people to the right volunteer role for them.
"It is not necessarily the first off the blocks that go through and this is not a first come, first served opportunity.
"So with a week to go, there might just be more fantastic candidates out there who haven't quite found the time yet to make an application."
Organisers are looking for people from all backgrounds and communities and "are particularly keen" for people from the disabled and deaf communities to come forward.
Being a team player would be an asset, London 2012 said.
Hopefuls must be at least 18 on January 1, 2012, available to volunteer for at least 10 days during either the Olympic Games or the Paralympic Games and at least three days of training before the events.
There will be no free tickets for the 2012 competitions.