The Big Half

The Big Half is a new and exciting half marathon hitting London on 10th March 2019.

You’ll start the 13.1 mile run on the iconic Tower Bridge before running through Southwark, Tower Hamlets, Lewisham and Greenwich, and finishing at the world’s only surviving tea clipper, the Cutty Sark.

After you’ve taken part in The Big Half, you can relax at The Big Festival. A celebration of London’s diverse culture, food and music which will take place in Greenwich Park throughout the day.



Registration fee: £20

Sponsorship Target: £350

Here’s what you get if you join our team:

  • An Action for Children running vest, with iron on letters
  • A cheering point for your supporters to come along to and cheer you on
  • Advice and support from a dedicated local fundraiser, with a fundraising welcome pack to get you started
  • Enewsletters with important information and training plans.

If you’ve got any questions, the team is here to help. You can contact us on 0300 123 2112 or by emailing

Alternatively, please check out the official Big Half website.