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Run to beat blood cancer at The Big Half

The Big Half returns to London for its third year and offers a memorable way to see the city's landmarks. The half-marathon starts near Tower Bridge and passes through Canary Wharf and Southwark before the finish line at the Cutty Sark in Greenwich.

More than just a run through the city, the Big Half is set to be a one-of-a-kind community event. You can guarantee your place today with Blood Cancer UK.

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

How to get a place in The Big Half

Places are now available in the Big Half and we would love for you to join our team! We ask that you pay a registration fee of £20 and raise £250 minimum sponsorship.

You can also join your team with your own place, you will have no minimum sponsorship and will receive all the same great support.

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