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A person is having a readathon when they are reading a book series from start to finish without reading other books in between or taking long breaks. In addition to book series readathons, one can also have author and genre readathons.
Boy: I finished Harry Potter and the Deathly Hallows last night, and with that my Harry Potter readathon!

Girl: You're such a geek. I still have two books to go.
by Tinface August 04, 2009

Words related to readathon

books fun geek marathon reading