AIR:13.1 Half Marathon

Cancer Research UK Runners with their arms around each other
Half marathon

Get a Charity Place

Get a Charity place for just £10 when you pledge to fundraise at least £300 to help beat Cancer.

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Got a place already?

Already got your place? Join our team and get a sponsorship pack.

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Help out on the day

Join our dedicated event team to support our participants on the day.

Run this audio inspired half marathon and take in the beauty of Richmond Park.

The first ever FULLY ROAD CLOSED Richmond Park Half Marathon is here.

This unique half marathon is combine a stunning route, on closed roads, through Richmond Park with music to bring you a unique running experience. Run the course, enjoy beautiful scenery and great tunes.

Thanks to research, over 400 people now survive cancer every day. This progress has only been possible thanks to the support of people like you, but we can't stop there. Join our team and help bring forward the day when all cancers are cured.

Or maybe you're after a shorter distance? The AIR:10 10K is just the race for you!

Race day information

Any questions? Click here to read our most frequently asked questions, which should provide you with all the information you need. Or, you can contact the Sports Team on 0300 123 5461.

Support for you

Training tips and advice

We've teamed up with the experts to give you the very best training support and advice for your event.

Set up a Cancer Research UK Giving Page

Using your fundraising page is quick, easy and free. And it means that more of the money you raise online goes towards beating cancer sooner.

Practical fundraising help

Get practical advice and useful tools such as planners and posters, to help you start fundraising.