A puzzle with pieces missing made up of photos of Worldwide Cancer Research runners

London Marathon 2021

Could you be one of our missing marathon puzzle pieces?

We need you to complete our Worldwide Cancer Research London Marathon team! Earning a coveted spot at the 2021 London Marathon, all of our chosen runners join our amazing Curestarter team, helping us raise more money to start new cancer cures around the world. 

And don't worry - if for any reason the race does not go ahead in October as planned, your space will automatically carry over to next year's race. 

Date: Sunday October 03, 2021
Location: London
Distance: 26.2 Miles
Registration Fee: £100
Minimum fundraising target: £2,250 (deadline 31/12/2021)

Why run with Worldwide Cancer Research and our Curestarter team?

By 2030 cancer is predicted to become the leading cause of death worldwide. We urgently need to start new cancer cures - but we can't do it alone. 

The research journey is a long one and it can take up to 20 years for an idea to lead to lifesaving new treatments. But there can't be an end to cancer if we don't start at the beginning. That's why, unlike other cancer charities, we only fund the brightest new ideas in cancer research - anywhere in the world. 

But we can't do it without you. Will you apply today to join us at the start line to start new cures for cancer?

How will we support you if you're successful?

You'll be part of our team of Curestarters running for Worldwide Cancer Research, and nothing beats that race-day feeling of finally crossing the finish line in the world's greatest marathon.

Our chosen runners all receive:

  • A welcome pack full of tips and fundraising advice
  • Unlimited support and advice from our events team to help you meet your fundraising target
  • Access to an online network of fellow runners to provide support and advice
  • A running vest or technical t-shirt
  • Support from Worldwide Cancer Research staff cheering you on to the finish line
  • A post-race runners' reception

If you have any questions you'd like to ask before you apply, please contact our events team on +44 (0)300 777 7910, or email [email protected]

Please note: We’re in regular contact with the event organiser and will continue to keep you informed as we hear any further updates from the event organisers. Your health and safety is our top priority and we’re following coronavirus guidance issued by governments across the UK. 


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