Royal Parks Half Marathon Charity Places

Our places for the 2025 event are now full. But you can sign up early for 2026 below:

We can't wait for you to take on this iconic half marathon through London's leafy green parks. Over 15,000 people take on this friendly and flat half marathon every year, and we want you on #TeamBreathe

Sign Up Now 

What you'll get:

• Personal support from our events team
• Fundraising guides and materials
• Training plans for all abilities
• Personalised training support
• Team breathe running vest
• Loudest cheer points on the course

Got a ballot place?

If you're lucky enough to get a ballot place in the Royal Parks half marathon, let us know on events@asthmaandlung.org.uk 

Sign up as a volunteer

Not a runner but still want to get involved in the event?

Register as a Cheer Squad volunteer and join us to support Team Breathe runners! We are looking for passionate individuals who want to drive lung health transformation and raise vital awareness for Asthma + Lung UK by cheering on our wonderful event participants. Meet new people, build connections and get one of our free t-shirts.

Get in touch

If you have any questions about the event, simply contact our events team at events@asthmaandlung.org.uk.