The Big Half 2026 The Big Half is a vibrant, inclusive half marathon with a fun, festival atmosphere. The 13.1 mile course weaves through London from Tower Bridge to the iconic Cutty Sark in Greenwich. "Feeling very proud to be supporting such a wonderful charity" - Becki Join our #DreamTeam and make dreams come true for children with serious or life-limiting conditions, in the highest areas of deprivation in the UK. Apply for a charity place: Registration Fee (non-refundable): £35 Fundraising Pledge: £350 To apply - please fill out the application form below, pay the registration fee and agree to the terms and conditions. Already have your own place? If you already have a place in this event - congratulations! We'd love you to join the #DreamTeam. Let us know and we'll support you every step of the way! I have my own place How we will support you: We will be with you every step of the way and offer a fantastic supporter experience including: A Dreams Come True running vest (once you raise £100) Regular emails to keep you motivated A fundraising pack with tips and advice to help you reach your goals. A friendly team to support you in the run up to your event This event is organised by London Marathon Events Ltd. Any questions? Please contact [email protected] and we will be more than happy to help. Sorry, this event is now sold out. Manage Cookie Preferences