half marathon

The BIG

Go on, get involved, sign up today!

Apply for OCD-UK place

Have your own place?

Running Challenge

London

13.1 miles

3rd September 2023

Places available for 2023 event.

Take in the sights of London and run half of the famous London Marathon course in reverse by taking part in The Big Half marathon for OCD-UK

The 13.1 mile route starts by Tower Bridge and finishes at the iconic Cutty Sark.

Runners pass through the four London Boroughs of Tower Hamlets, Southwark, Lewisham and Greenwich. The Big Half is about more than just the run – it’s about the communities the participants run through. The Capitals diverse communities are celebrated all the way around the route with DJ’s, bands, food and plenty of colour!

LOW fundraising target of £299 and just £20 registration fee! *

* We want everybody that wants to participate in The Big Half Marathon wearing their OCD-UK running top with pride. So if the registration fee would be a barrier for you to run for OCD-UK then please get in touch and we will do all we can to facilitate your participation.

Get a guaranteed charity place

£20 registration fee, LOW fundraising target of £299, but why not aim for £500!

Pay Registration Fee *

Have your own ballot place?

Join Team OCD-UK, you can set your own target and we'll send you our race pack.

Can you volunteer on the day?

Can you organise a race day cheer spot, or would like to be part of one?

Adam wearing his OCD-UK t-shirt running over some grass during the 2017 Great North Run.

The Big Half Marathon Course
Route subject to change

#FantasticFundraisers

Some of our #FantasticFundraisers from a previous OCD-UK events.

We hope you might be using the #TeamOCDUK hashtag for OCD-UK soon.

How OCD-UK Support You

We're going to do our very best to support you with advice and information in preparation for your big day, so you can simply focus on your training and fundraising.

Regardless if you're running for Team OCD-UK with one of our event places, or your own ballot place, we will support you equally, and we will send you...