Marrs’s choreography explores the evolution of ballet technique and narrative form, and she has presented her work at concert and site-specific venues around the United States. Her most recent work, "O Quanto Qualia", was presented at UI's annual Dance Gala, and featured original music by Jacob Bancks performed by violinist Sabrina Tabby of Atlys String Quartet.

Marrs is a certified Alexander Technique teacher with the American Society for the Alexander Technique and a Functional Awareness^® Movement Educator. She runs a private studio in addition to teaching Alexander Technique to students throughout Performing Arts At Iowa. Marrs' research and teaching interests include the integration of healthy somatic practices with ballet pedagogy, and she has presented her research at CORPS de Ballet International, NDEO, and the Dance Studies Association. She has published in the Journal of Undergraduate Teaching and Learning Practice and Dance Chronicle.

Marrs trained at SUNY Purchase and London Studio Centre, and holds an MFA in Dance from the University of Iowa. Marrs performed as a company member of Columbus Dance Theatre, Ballet Quad Cities, Northern Ballet Theatre, Arova Contemporary Ballet, Paradise Ballet Theatre, Opera Columbus, and Images of Dance (London). She continues to work as an independent performing artist; in Summer 2024, she and theatre artist Anne-Marie Nest were in residency at the UI Obermann Center, writing and rehearsing their collaborative performance "Chalk."