The Demelza House Care for Children Bubble Rush Bubble Rush race takes place at Avery Hill Park, Greenwich, on Sunday, July 15.
Bubble Rush is a family event, which sees participants go twice around a 2.5km course route, running through bubbles and foam.
There are walls of bubbles to go through, with different coloured zones. There’s a warm-up at 10.45am, with participants setting off at 11am.
All money raised will enable Demelza to care for children with terminal illnesses across Greenwich, Bexley and other London boroughs.
Tickets are £10 for children and £20 for adults, or £60 for a tickets for a family of two adults and up to three children. Registration is from 10am.
Find out more about Demelza at www.demelza.org.uk.