all-ages
/ˈˌɔːlˈˌeɪdʒɪz/adjective
1 Coursing and Horse Racing. Of a race: open to animals of all ages.
2 Generally. Of, relating to, or involving people of all ages; inclusive of everyone, regardless of age.
noun
Chiefly Coursing. A race open to competitors of all ages. Also: the competitors entered for a race of this type collectively. Now rare.
Origin
Mid 19th century. From all + the plural of age. Compare earlier all-age.