Event Volunteer- Hull Pretty Muddy 5k 2026 -13th June 2026 You can make a big difference in just a few hours.  We’re looking for enthusiastic volunteers to support our next Cancer Research UK Pretty Muddy event in Hull, on the 13th June 2026. Whether you’re coming solo, bringing a friend or part of a larger group, your support means our event can run smoothly and raise money to fund lifesaving research. We’re looking for people who are:&nbs…