barnstorm

Short definition from Wiktionary

Verb

1. 1
   To travel around the countryside making political speeches etc.
2. 2
   To appear at fairs and carnivals in exhibitions of stunt flying, sporting events, or theater.
3. 3
   To travel from town to town performing in front of small crowds.

Noun

1. 1
   A series of appearances in small country towns, as by a politician or a travelling theatre group.