Lord Coe has thanked a couple who sold their home to pay for an Olympic-standard gym in south-east London.
Speaking to the Conservative Party Conference, he was naming some of the inspirational people he met in the lead up to the games.
More top news
Demonstrators have blockaded the entrance tunnel to Heathrow Airport in apparent protest at plans to build a third runway.
Unions have warned of a crisis on the Piccadilly Line after fresh disruption for travellers.
George Osborne told MPs London would shoulder a large part of his 37% reduction in transport funding.