Dirty Girls In Mud

The file Stripes (1981) featured John Candy facing off against six kickboxing wrestlers in a boxing ring filled with mud.
A 2003 Miller Lite commercial ended with two women (Tanya Ballinger and Kitana Baker) wrestling in a mud pit. An uncensored version had the two girls falling in love and kissing.
Mud wrestling was one of the contests in the second series of Last Man Standing.
Professional hockey player PK Subban has stated that he is a huge fan of mud wrestling competitions, and he once co-hosted a mud wrestling event with Win Butler, lead singer of Canadian band Arcade Fire.