This is one of the most powerful moments of the journey, Tower Bridge.

Completed in 1894, Tower Bridge is one of London’s most recognisable landmarks. Its distinctive twin towers and lifting road sections were designed to allow ships to pass along the River Thames.

For participants, this marks the halfway point of the marathon, both physically and mentally.

The route across Tower Bridge is famous for its energy, with crowds creating one of the loudest and most motivating sections of the entire course.

You have already come further than most people ever do.

Now it is about pushing forward.