Team CHF for The Big Half 2025
Join thousands of other participants in this spectacular half marathon event through the heart of London. 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.
Sun, Sep 7, 2025 London
How it works
Register your interest to join team CHF
Pledge to raise £200 for Children’s Heart Federation
Sign up to London Marathon Event
Run and Raise for Children’s Heart Federation
What’s included
- CHF Running Vest
- Finisher’s medal
- Finisher’s long sleeve shirt
- Fully marshalled course
- Bag drop (bags will be transported to the finish)
- Water stations
- Aid stations
- Chip-timed event
Join team CHF and help provide recognition, research, and resources to support those affected by children’s heart conditions.