The Olympic flame will travel down the River Thames this morning on the royal rowbarge 'Gloriana.'
The team of oarsmen and women who will transport the flame in a cauldron to Tower Bridge include Olympic gold medal winner James Cracknell. Crowds have been gathering from early this morning to watch.
Cracknell won gold at the 200 Olympics in Sydney and the 2004 Olympics in Athens. He told ITV News that today was one of the first days he thought "what if" about his decision to retire from rowing.
The Olympic Torch relay was celebrated by 80,000 people at a music concert in London's Hyde Park on the eve of the opening ceremony.
The penultimate day of the Olympic Torch relay took in some of London's most famous landmarks. Here is our pick of the day in pictures.
The Olympic flame will be cheered through the grounds of Buckingham Palace by William and Kate today on the eve of the Games.