
What we do
Rainbow Trust Children’s Charity supports families who have a child with a life-threatening or terminal illness.
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Run the Iconic TCS London Marathon for Rainbow Trust
Turn a dream into reality — and make a difference while you do it.
Have you always dreamed of running the London Marathon? Now’s your chance to lace up your trainers and join #TeamRainbow for the legendary TCS London Marathon on Sunday 26 April 2026!
The London Marathon first took place in 1981 and has become one of the most popular marathons in the world. The route takes in many of London's best landmarks including Buckingham Palace, The Cutty Sark, Tower Bridge and Canary Wharf. The TCS London Marathon is the largest annual fundraising event on the planet – participants have raised more than £1 billion for good causes.
Rainbow Trust works hard to ensure all our runners have a memorable marathon experience - you will be supported all the way to the finish line, and beyond!
As a Rainbow Trust runner, you will benefit from:
If you have any questions please don't hesitate to contact our events team - [email protected] or 01372 220039

Rainbow Trust Children’s Charity supports families who have a child with a life-threatening or terminal illness.
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Rainbow Trust pairs each family with an expert Family Support Worker, giving them practical and emotional support.
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By fundraising for Rainbow Trust you are helping us continue to support families with a seriously ill child.
Read family stories
From cycling, baking to singing - there is something for everyone! There are so many ways you can get involved and fundraise for us.
Read our fundraising ideas