Sun 6 Sep 2026 London, UK

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!

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

08:30

Age 17 & over

£56.50-£59.99

  • 13.1 miles road running + 218 ft ascent

Event overview

2026 date and details to be confirmed.

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!

Event community

Savio P.

Savio P.

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Sarah Jane E.

Sarah Jane E.

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Maxine M.

Maxine M.

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Zeba F.

Zeba F.

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Kelsey L.

Kelsey L.

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Mariya P.

Mariya P.

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Eva L.

Eva L.

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Mei T.

Mei T.

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Tini S.

Tini S.

Event details

  • All fitness levels
  • Event expo
  • Event village
  • Families
  • Fancy dress
  • Newcomers
  • Spectators
  • Venue accessible

Route

  • Distance markers
  • First aid
  • Flat
  • Marshals
  • Point to point
  • 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.

HEART UK fundraisers
Quick book Heart

HEART UK

Join the buzz of London’s Big Half and make every mile matter β€” helping fight high cholesterol and protect hearts across the UK.

  • Running vest
  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£30

Fundraise
£350

How to enter

  • Age 17 & over
  • 16000 places
  • Entries open
  • Charity places
  • Enter online
  • Event merch available
Enter now

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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.