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The Big Half

  • Can I change my start time so I can run with a friend?

    Yes, you are welcome to move back to a later starting wave. There is no need to tell us, you can just do this on the day. You cannot, however, move to an earlier starting wave.

  • What happens if I am unable to take part? Can I defer/transfer/refund my entry?

    No, we do not offer a deferral, transfer or refund option for your entry – please see our General Conditions of Entry for more details.

  • How do I let you know if I need to update my details?

    It's important we have up-to-date details for you. You can update your details via your entry confirmation email from Let's Do This. If you cannot find this, please contact us with your full name, date of birth and updated details.

  • Is there a minimum age for taking part?

    Yes, participants in The Big Half must be aged 17 or over on Event Day. Younger participants are eligible to take part in The New Balance Big Relay and the family friendly one-mile event, The Big Mile. 

  • Will I receive an Event Guide?

    Yes, all participants will be emailed an official Event Guide around a week before Event Day. Your Event Guide will include all the information you need to know before, during and after your event. 

  • I'm interested in pacing. How do I apply to run as a pacer at this event?

    There is a dedicated team who look after pacer requests for all events. You can email them at: A member of the team will be in touch as soon as possible.