The Big Half 2023

cruk runner
Half marathon

Get a charity place

Get a charity place for just £20 when you pledge to fundraise at least £350. Together we will beat cancer.

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Got a place already?

Request a sponsorship pack and join our team.

Use my own place

Take on London's uniquely local half marathon and help beat cancer sooner.

Run part of the iconic London Marathon course on fully closed roads with The Big Half in September. You'll start at Tower Bridge, taking in the best sights of East London before finishing by the Cutty Sark in Greenwich.

Soak up the incredible atmosphere of this epic half marathon from the organisers of the London Marathon. The event is set to become one of the UK's biggest running events, so don't miss out on your chance to be on the start line of the second ever Big Half!

Together we've achieved so much, join the team today and together we will beat cancer.

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 plans and advice

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

Practical fundraising help

Set up a Cancer Research UK Giving page