The one-mile-long Fun Run course will be held at Beddington Park on June the 22nd.
The hospice has seen its costs rise by £1.1 million over the last few years as a result of inflation.
Clinical Director at St Raphael’s, Rebecca Trower, explains why fundraising for the charity is more important than ever.
All participants in the Superhero Day will receive a mask and a cape to wear for the event and full costumes are encouraged.