The Big Half
Experience a vibrant, inclusive half marathon which celebrates the diversity of London
It also celebrates the communities of the four boroughs the route passes through: Tower Hamlets, Southwark, Lewisham and Greenwich.
When: Sunday 7 September 2025
Start Line: Next to Tower Bridge
Terrain: Road - fast and flat
Elevation gain: 218 feet
Cut-off time: You have four hours to complete the half marathon. If you’re unable to maintain a four-hour pace, but wish to continue, you’ll need to move onto the pavement for safety reasons. Our team will stay with you and support you to the Finish Line.
What you get:
- Event photography
- Timed results
- BUXTON® Natural Mineral Water and Lucozade Sport
- Finisher’s T-shirt and medal (optional)
- Option to plant a tree with Trees Not Tees
- Free trial with Coopah, the Official Training App for The Big Half
- Tracking App
Faciliates:
- Free bag drop
- Toilets, including accessible toilets
- Drinks Stations on the course, serving BUXTON® Natural Mineral Water and Lucozade Sport
- Course distance markers - mile and kilometre
- Pacers
- Free Festival Area in Greenwich Park where you can celebrate with family and friends
- Sensory Calm Space
- Parent and Child Space (for breastfeeding/pumping and entertaining young children)
- Multi Faith Prayer Space
- Sanitary products available