The Big Half

Take on this half marathon through London, starting at the iconic Tower Bridge and finishing at the Cutty Sark in beautiful Greenwich. Winding through Southwark, Rotherhithe, Surrey Quays, and Canary Wharf, explore 13.1 miles of London and help people living with cancer!
Sold out
Date
6 September 2026
Location
London 
Join
£25 registration fee
Distance
13.1 miles
I have my own place

How to enter The Big Half

There are two ways you can join Team Macmillan in this event.
Dark green training shoes on a light green background.

Secure a charity place

We would love to have you on join Team Macmillan at The Big Half 2026. Unfortunately, all of our places are sold out. 

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Use your own place

If you are successful in securing a place through the race organisers then we would love to have you running for Team Macmillan.


Just sign up here and we'll get a free Macmillan running top sent to you. There's no minimum sponsorship, just raise as much as you can!

'You get great support from the whole team and their crowd of supporters' Tom, Team Macmillan runner

Why should I join Team Macmillan?

As a Team Macmillan runner you'll receive:

  • A free Macmillan technical running top plus iron-on letters to customise your kit
  • A digital fundraising pack bursting with fundraising tips and tricks
  • Access to our online training materials
  • Invites to exclusive online events to support you with all elements of your training and fundraising
  • Regular e-newsletters to keep you up to date with Macmillan's news and activities
  • The loudest and most supportive cheer points on the course!

Most importantly we'll provide you with a reason to keep going because you'll know that you're helping improve the lives of people living with cancer. Donations make up 98% of our annual income so we simply couldn't do what we do without you.

Please make sure you have read our Terms and Conditions before signing up. You must be aged 17 or over on the day of the event to take part.

Event Accessibility

The Big Half is an inclusive mass participation event that aims to cater to participants of all abilities.  Chair athletes, visually impaired runners, hearing impaired runners and any person with a mobility impairment who can run can take part.

Please look at The Big Half website for further details on who can take part and additional information on who to contact for the event day.

Ready to join?

By joining us you'll know that you're helping improve the lives of people living with cancer in the UK today.

I have my own place

Volunteering

We need an army of cheerers to make this event special. If running is not your thing or you have any family and friends who'd like to come and support you on the day, we'd love them to join our volunteer team!

Volunteer at The Big Half London

See other events

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Are you looking for a different event?

If this event doesn't quite fit the bill, there are loads more to choose from. Go back to the events listing to find the perfect event for you.

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Get in touch

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