The Big Half
The Big Half promises a party atmosphere on a landmark-packed, half marathon route which follows some of the famous marathon course in reverse!
- Sun 7 Sep 2025
The Big Half
08:30
Age 17 & over
FREE-£56.50
- 13.1 miles road running
Event overview
The Big Half has an unmissable festival atmosphere – and everyone's invited!
Brought to you by the organisers of London's famous marathon, you can get set for 13.1 miles of fun today taking in some of the marathon route from a completely different perspective!
Highlights
-
London's community half
Bringing together Londoners of all backgrounds and runners of all abilities from everywhere.
-
Running festival
A party atmosphere is promised and a route banked with cheering supporters too!
-
four of London's boroughs
Enjoy the traffic-free city on some of the famous marathon route in the reverse direction.
Event details
- All fitness levels
- Event expo
- Event village
- Families
- Fancy dress
- Newcomers
- Spectators
- Wheelchair users
Location
- Bag storage
- Cafe
- Entertainment
- Music
- Toilets
- Urban
Route
- Distance markers
- First aid
- Flat
- Marshals
- Point to point
- Traffic free
- Water stations
- Wave start
Sustainability
- Recycling
- Sustainability policy
- Trees not tees
What's included
- Chip timing
- Goody bag
- Massage
- Medal
- Training plan
- T-shirt
Charity places
These charities have places in the event. To secure your place, select a charity and provide your details.
All charity places
Children
Smile Train
Supporting cleft surgery and other forms of essential comprehensive cleft care.
- Running vest
- Personalised running vest
- Fundraising support
- Fundraising materials
- Training plan
- Training guide
- Online training zone
- Dedicated contact
- Certificate
Sign up
£10
Fundraise
£300
Children
Childhood First
For children aged 5-18 who have experienced severe abuse, neglect and early-life trauma.
- Running vest
- Fundraising support
- Submit fundraising up to 1 month after event
Sign up
£20
Fundraise
£300
Children
Child Bereavement UK
Supporting bereaved children and families to help rebuild their lives.
- Personalised running vest
- Fundraising support
- Fundraising materials
- Dedicated contact
Sign up
£30
Fundraise
£300
Entries
- Age 17 & over
- 16000 places
- Entries closed
- to 08/08/2025
- Charity places
- Enter online