Take in views of London's most iconic landmarks as you run, including Big Ben, St Paul's Cathedral, the Gherkin, the Shard, the Tower of London and the London Eye before crossing the finish line at Downing Street.
Our 2026 team is now full! Please join our waiting list and we'll be in touch if a place becomes available.
If you have your own place in the event, you can still join Team Cats! Click here to make your half marathon more meaningful by using your place to support the cats.
For this half marathon there is a registration fee of £40 and we ask for a minimum sponsorship commitment of £375. This amount could fund a month of running our Lifeline service, a phone line that takes calls from people who are struggling to cope with the loss of their cat.
Join our team of Cat Champions to get a Cats Protection running vest, then simply set up a fundraising page and raise whatever you can to help the cats and kittens.
“I'm a massive cat lover who has had a few rescue cats, so I decided I wanted to support Cats Protection. I felt a huge sense of achievement and relief when I crossed the finish line. I wasn’t sure if I would finish but I was determined and I did!
We'll be with you every step of the way from sign up to the finish line! When you join Team Cats, you’ll get a first-class experience including:
Teams at our locals Cats Protection sites work tirelessly to help abandoned, unwanted and neglected cats but they couldn't do it without your support.
You're able to nominate any local Cats Protection site to receive 100% of the money you raise from your challenge, helping the cats in your chosen area.
If you have any questions, check out our frequently asked questions page.
Alternatively, reach out to our friendly Events team on 01825 741 960 or email events@cats.org.uk.
You can protect cats. Join the team and start making an impact today.
Experience the electric atmosphere as you race through London's East End
Find out moreRace through the capital city taking in iconic landmarks along the way!
Find out moreJoin 60,000 others for the world's biggest half marathon! Starting in Newcastle upon Tyne, the 13.1 mile route takes you from city to coast.
Find out more