The Marsden Mysteries A team treasure hunt for inquisitive minds of all ages. Join us on Saturday 29 or Sunday 30 September for an unforgettable adventure. Book before midnight on 20 July and get £10 off the registration fee! Find out more Find an event Search our events for a run, trek, cycle, abseil, skydive, swim, triathlon, obstacle challenge and more... Donate When you give to The Royal Marsden Cancer Charity you are making a positive difference to the lives of people with cancer. The difference you make The work we fund is revolutionising cancer treatment here in the UK and globally, but we couldn’t do it without your support. Find out how you help. Other ways to support us About us The Royal Marsden Cancer Charity raises money to support The Royal Marsden, a world-leading cancer centre. Give back to the future - leave a gift in your Will Leaving a gift in your Will is a big decision. But it’s one that will help make a very real difference to the lives of people touched by cancer. Give in memory of a loved one Donate in memory of a loved one to honour their life. A gift in memory can be a comfort to friends and family whilst supporting The Royal Marsden.