Larkin got her start in radio as a newsroom volunteer in 2006. She went on to work for 90.5 as a reporter, Weekend Edition host, and Morning Edition producer. In 2009 she became 90.5's All Things Considered host, and in 2017 she was named Managing Editor. She moderates and facilitates public panels and forums, and has won regional and statewide awards for her reporting, including stories on art, criminal justice, domestic violence, and breaking news. Her work has been featured across Pennsylvania and nationally on NPR.