Sun 6 Sep 2026 London

The Big Half

Celebrate London’s diversity at The Big Half - a vibrant, inclusive half marathon through four iconic boroughs, where community spirit, culture and cheering crowds power every mile.

Charity places
  • Sun 6 Sep 2026
Tower Bridge, London > Greenwich Park, London
The Big Half

08:30

Age 17 & over

£15-£35

  • 13.1 miles road running + 218 ft ascent

Event overview

Join Londonโ€™s most vibrant celebration of running and community at The Big Half. Race through Tower Hamlets, Southwark, Lewisham and Greenwich, soaking up the culture, energy and incredible local support.

Event details

  • All fitness levels
  • Beginner-friendly
  • Event expo
  • Event village
  • Families
  • Fancy dress
  • Spectators
  • Venue accessible

Route

  • Distance markers
  • First aid
  • Flat
  • Marshals
  • Point to point
  • Toilets
  • Traffic free
  • Water stations
  • Wave start
  • Way markers
  • GPX available

Location

  • Cafe
  • Entertainment
  • Music
  • Secure bag storage
  • Toilets
  • Urban

What's included

  • Certificate
  • Chip timing
  • Drinks
  • Event app
  • Goody bag
  • GPS tracking
  • Map
  • Massage
  • Medal
  • Training plan
  • T-shirt

Sustainability

  • Optional medal
  • Optional t-shirt
  • Recycling
  • Sustainability policy
  • Trees not tees

Do it for charity

Looking to do this event for charity? Do it for one of the charities below or see the full list of charities on the The Big Half charity places for 2026 page.

Health and Medical

CNWL NHS Health Charity

Ensuring every patient and staff member in the Central and North West London NHS Trust have the support, care and treatment they need to live well.

  • Personalised running vest
  • Fundraising support
  • Fundraising materials
  • Training plan
  • Dedicated contact
  • Cheer squad on the day

Sign up
£25

Fundraise
£350

Social welfare

Turn2us

Standing against UK poverty, supporting those struggling financially to thrive into the future.

  • Technical t-shirt
  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£25

Fundraise
£250

Health and Medical

My University Hospitals Sussex

Delivering vital funds to support care, treatment and research across University Hospitals Sussex.

  • Fundraising support
  • Fundraising materials
  • Training plan
  • Pro training advice
  • Training guide
  • Online training zone
  • Dedicated contact

Sign up
£15

Fundraise
£275

How to enter

  • Age 17 & over
  • 16000 places
  • Entries closed
  • Charity places
  • Enter online
  • Event merch available
4 steps to wellbeing
Sleep well

A good night's sleep is an essential foundation for a healthy lifestyle, effective training and weight control.

Train slow

Low-intensity training is easier for you, reduces the risk of injury and helps builds an efficient aerobic system.

Eat natural

Cut out sugar & junk food, reduce carbs, eat natural foods and train your body to burn fat for fuel.

Get outdoors

Fresh air, natural light and reconnecting with nature all help to improve mental and physical wellbeing.