From Greenwich Park to the Mall, be part of the world's most iconic marathon.
Join thousands of people taking on the ultimate running challenge in 2026 – 26.2 miles through the streets of London – and help us end new cases of HIV in the UK by 2030.
How to apply
If you're interested in taking part in this fantastic event, register now using the pink button.
How we'll support you
We’ll be here to support you from the moment you register until you cross that finish line.
Is this your first marathon? Read our top tips for first-timers from our supporter and expert marathon runner Annie Foulds.
Checkout our fundraising tips to help you reach and smash your fundraising target.
Benefits of joining Team Terry:
- Free Terrence Higgins Trust running vest with your name on it.
- Committed support with your training and fundraising from a member of our team.
- Opportunity to meet and make friends with like-minded people united behind the same good cause.
- Opportunity to join our TCS London Marathon 2026 WhatsApp group.
- Regular news and updates to keep you informed about our work, campaigns and services.
- Terrence Higgins Trust post-race celebration.
Find out more about the experience of running for us:
Running and challenge events FAQ’s
Got a question about our challenge events or fundraising for Terrence Higgins Trust? Take a look at our FAQs.
Get in touch
If you have any questions, please get in touch - we'd love to hear from you!
