More than 30 000 people will be lining up in southeast London in less than four weeks time to take part in one of the greatest road races in the world - the London Marathon. 30 000 people with thirty thousand different stories, the vast majority raising huge sums for charities close to their hearts.
If you are taking part, please tell us why. Why did you enter, who are you running for, what does that 26.2 mile achievement mean for you? We’d also like to see how you’re preparing for the big day. Share your personal stories, photos and videos and we will share the best on the Guardian’s running blog.
You can share your photos, videos and stories by clicking on the ‘Contribute’ button on this article. You can also use the GuardianWitness smartphone app or the Guardian app and search for ‘GuardianWitness assignments’.
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