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Charity places have now sold out for The Big Half 2021.

If you’d like to take part in The Big Half 2022, register your interest by emailing [email protected] and we will send you more information on how to sign up soon.

If you have your own place in The Big Half 2021 join our team of Blood Cancer UK runners taking part this year.

Why run for Blood Cancer UK?

  • Get your hands on a free high-spec running top
  • Access to professional training tips
  • Full training plans for all ability levels to help you deliver your personal best
  • Fundraising support to help you reach your target

2021's event route

Check out the route for the Big Half 2021. The route goes through four London boroughs: Southwark, Lewisham, Tower Hamlets and Greenwich. The run starts near Tower Bridge and finishes at the Cutty Sark in Greenwich.

The Big Half Marathon Route 2019