Royal Parks Half Marathon 2025: Guy's & St Thomas' Charity

Date: Sunday 12 October 2025

Time: Race starts at 09:00am

Where: Hyde Park, London

The Royal Parks Half Marathon is one of the most beautiful half marathons in the running calendar, taking in some of London’s most iconic landmarks and the leafy Royal Parks along the way. This stunning 13.1 mile half marathon takes you round the beautiful Royal Parks of London including Hyde Park, Green Park, St James's Park and Kensington Gardens. Run alongside more than 16,000 other runners on this scenic city run that takes you past landmarks including Buckingham Palace, Royal Albert Hall and many others.

By taking on the Royal Parks Half Marathon for Guy's & St Thomas' Charity, you'll be supporting the incredible teams and exceptional healthcare at Guy's and St Thomas' NHS Foundation Trust. The money you raise will enable the Trust to go further, beyond what the NHS can provide, helping to fund things like state-of-the-art equipment, pioneering research, innovative new treatments, and one of the most comprehensive staff wellbeing programmes in the NHS.

So, whether ​you ​register ​for ​your ​charity ​place ​with ​us, ​or ​if ​you secure your own place through the ballot, ​join ​our amazing ​team of runners ​and ​we'll ​give ​you ​a ​fantastic ​support ​package ​including:

​​- ​a ​ personalised ​dri-fit running T-shirt

​- ​a ​dedicated ​events ​team ​to answer any questions and ​support ​you ​every ​step ​of ​the ​way

- a family friendly, enthusiastic cheer point to encourage you along the route

- the rewarding feeling of knowing you're helping Guy's and St Thomas' stay one step ahead for patients and staff

We ask all of our fantastic runners taking part to commit to reaching the fundraising target of £350 and we will do all that we can to support your fundraising efforts.

Sign up now to be part of this fantastic event and support your hospital!

If you have any questions about the event or fundraising, please contact the Events Team via email [email protected]

Host or Publisher Guy's and St Thomas' Charity