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The Big Half 2026

Join the Capital city’s most vibrant celebration of community and movement at the Big Half. Feel the energy as you run 13.1 miles through the heart of four boroughs - Tower Hamlets, Southwark, Lewisham, and Greenwich - each bursting with culture, spirit, and support.

Date & time
06/09/2026 09:00
Fundraising target
£250
Event Location
Tower Bridge, London
Runners in Bath half marathon

Apply now - we will sell out!

Grab your spot on the starting line

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Registration fee: £25 we’ll be in touch to organise your payment)
Minimum Age: 18 years old

The Big Half promises a party atmosphere on a landmark-packed, half marathon route which follows some of the famous marathon course in reverse!

This fantastic event has an unmissable festival atmosphere – and everyone, from beginners to seasoned pro's, is invited! Brought to you by the organisers of London's famous marathon, you can get set for miles of fun today taking in some of the marathon route from a completely different perspective!

If you are interested in a place, please complete our short application form.

Claim your place

Please note, by submitting the form to claim a place on our team, you will be agreeing to our Terms and Conditions.

As part of our team, you'll receive: 

  • Tailored fundraising and training support
  • Fundraising ideas to help you reach your target  
  • A branded Turn2us running vest  
  • Access to your own experienced fundraising advisor who will help you reach your target and beyond!

Why support Turn2us?

Turn2us have seen an increased need for our services. With the cost-of-living still rising, your support means we can continue helping those who are making the impossible choice between heating their homes or feeding their family.  

Got your own place?

If you're one of the lucky few to secure your own place for the 2026 Big Half, we would love for you to join #TeamTurn2us. You will get all the great #TeamTurn2us benefits above whilst supporting those facing financial hardship – and we’ll support you to reach whatever target you set yourself.

Contact us on fundraising@turn2us.org.uk and we’ll get you set up as part of our fantastic team!

Read the Turn2us Supporter Promise.