Mark and Jof, runners, The Big Half

Brought to you by the organisers of the London Marathon, The Vitality Big Half is back for its third year! Take to the streets of central London, experience the sights and celebrate the cultural diversity.

The half marathon starts at Tower Bridge and passes through the boroughs of Southwark, Tower Hamlets, Lewisham and Greenwich. With runners  celebrating at The Big Festival in Greenwich Park!

Click the register button now to sign up for a charity place or let us know if you have your own place in the event.

How we'll support you


We’ll be here to support you from the moment you register until you cross that finish line.

In the lead up to your challenge we’ll provide you with:

  • A guide to help kickstart your fundraising.
  • Your free Terrence Higgins Trust t-shirt and running vest.
  • A member of the Terrence Higgins Trust team to support you with your training and fundraising.
  • Regular news and updates to keep you informed.

Any questions? Get in touch with our Fundraising team.