Also running the marathon with Amy on Sunday will be ex-England footballer Michael Owen, England rugby star Lewis Moody, Olympic rower James Crackness, TV presenter Charlie Webster and soprano singer Laura Wright
Prince Harry is the Patron of the London Marathon Charitable Trust and attends every year to stand at the finishing line and hand out the medals to the winner.
The London Marathon is one of the top six world marathons that form the World Marathon Majors competition with a $1 million prize purse.
This will the 33rd London marathon and it is one of the UK’s largest celebratory sporting events.
Since 1981 the event has raised over £450 million for charity and holds the Guinness world record as the largest annual fund raising event in the world, with the 2009 participants raising over £47.2 million.