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The Big Half 2025

September 7

Explore the heart of London in a vibrant half marathon!

Join thousands of other participants in this spectacular half marathon event through the heart of London. The Big Half is a vibrant, inclusive half marathon with a fun, festival atmosphere.

The Big Half is great for novices and experienced participants alike, the course winds its way through the capital from Tower Bridge to the iconic Cutty Sark. Come for the finisher’s medal or to celebrate London’s diversity.

Date: Sunday 7th September

Registration fee: £10

Minimum sponsorship: £300 

Our charity places have now SOLD OUT! But you can still join #TeamWinston if you have your own place. Simply, register your interest below. 

What you’ll get from us

  • A branded Winston’s Wish running vest
  • Charity branded headband
  • Access to training app from our partners GH Training
  • Support from our dedicated Sports and Challenges Officer
  • Fundraising resources
  • Access to our ‘Team Winston’ Facebook group