The promotion will be on 20 December (20.12) and offers rooms at Holiday Inn for £20.12
Parent company InterContinental Hotel Group signed up Holiday Inn and Holiday Inn Express as Tier Three sponsors of the London 2012 Olympics last year.
Those making a booking can stay at Holiday Inn and Holiday Inn Express on any date between 26 December 2010 and 9 January 2011 (excluding 31 December).
Holiday Inn has a number of athlete ambassadors, including Denise Lewis.
IHG began a relaunch of its Holiday Inn brands earlier this year with a £650m investment expected to be completed by the end of this year. The relaunch has been supported by a £65m global marketing campaign.