
The Big Half
Sight Research UK will be back at The Big Half on Sunday 5 September 2027 and we have places available. Applications will open in the new year.
The Big Half is a vibrant and inclusive half marathon with a fun and festive atmosphere. This is an incredible opportunity for runners at all levels and abilities to run part of the iconic London Marathon course on behalf of Sight Research UK.
When?
Sunday 5 September 2027
Where?
Tower Bridge, London (starting point)
Distance?
Half marathon. 13.1 miles / 21.1 km

Are you running at the Big Half 2027?
You can fundraise for Sight Research UK if you’ve secured a general entry slot at the Big Half. There’s no entry fee and no fundraising goal if you would like to support sight-saving research as a non-charity entrant.
Just let us know so we can support you along your fundraising journey by emailing hello@sightresearchuk.org.
If you want to stay in the loop about future events (like the Big Half) where you can make a difference, sign up to our newsletter.

