Join us at The Big Half and enjoy this amazing opportunity to run part of the iconic London Marathon course on fully closed roads.
The Big Half is a vibrant, inclusive half marathon with a fun, festival atmosphere.
Our 2027 entries are currently sold out.
Already got a place for this event?
If you already have a place in this event but would like to support Alzheimer’s Research UK, we’d love to have you on the team! There’s no minimum sponsorship target and we can provide help and support with your fundraising.
Date:
5th September 2027
Registration fee:
£25
Minimum sponsorship:
£350 per person
Location:
London
Event details
Join the city’s most vibrant celebration of community and movement at The Big Half. Feel the energy as you run through the heart of four boroughs - Tower Hamlets, Southwark, Lewisham, and Greenwich, each bursting with culture, spirit, and support.
This is your moment to be part of something unforgettable!
When you join #TeamARUK you’ll receive…
- Help and support from a dedicated fundraising team.
- A fundraising pack bursting with hints and tips.
- A free Alzheimer’s Research UK running vest or technical t-shirt.
- Access to fundraising materials, cheer packs for friends and family, and more.
See all our fundraising activities
There are tons of ways to raise money for a cure
Useful links
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