The Big Half 2023 – Join our team!

The Big Half 2023The Big Half 2022

Date: Sunday 3 September 2023

Registration Fee: £10

Minimum Fundraising Target: £250


The Challenge

The Big Half 2023 is back for another year! The race takes place in central London and the unique route includes iconic landmarks, starting at Tower Bridge and 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 Big Half 2023!

Whether this is your first time running a half marathon or you are trying to beat your previous time – check out these training plans to help you on your way:

Beginners Training Plan >>

9 Week Training Plan >>

Charity place

Secure your place by joining the Animal Free Research UK team on a charity place for the Big Half 2023.

  • Registration fee: £10
  • Fundraising commitment: £250 (excluding Gift Aid)

We have 3 charity places available and will allocate these on a first come, first serve basis. Register today so you don’t miss out!

Click here to read our terms and conditions of entry.


If you have any questions at all please contact us at

We look forward to welcoming you on our team!