No. One parent or guardian receives entrance with a child entry. This also includes parking. The parent or guardian does not have to register. The child receives a Mini Muck shirt along with food and drink. Additional family or spectators are $10 each which gives them parking, entrance into the park, access to the Play Dirty course, and food and drink.Spectators that are 12 years of age or younger get in the event for free! An adult that registers for the Play Dirty run will have full access to join the kids on their adventure.