High school Marvin attended
Warroad High School and was named the 2005 recipient of the Let's Play Hockey Ms. Hockey Award. During her freshman, junior, and senior seasons, she was an All-state honoree. As a senior, she helped the
Warroad Warriors to an 18–5–1 record. Statistically, her greatest year was as a senior, when she accumulated 112 points, including 55 goals. She finished her high school career ranking fifth in Minnesota state career scoring (196 goals and 229 assists for 425 points). She earned four letters in hockey, and five letters in both cross-country and softball.
Minnesota Golden Gophers USA Hockey • Marvin is a three-time participant in the International Ice Hockey Federation World Women's Championships. She won gold in 2008 and 2009, while winning the silver in 2007. Prior to the IIHF championships, she was a participant on the United States Women's Select Team for the Four Nations Cup. (The team finished first in 2008 and second in both 2006 and 2007.) In addition, Marvin was a four-time USA Hockey Women's National Festival participant (2006–09).
Boston Blades For the 2012–13 season, Marvin joined the
Boston Blades of the Canadian Women's Hockey League and helped the squad claim the
2013 Clarkson Cup.
Boston Pride On September 25, 2015, it was announced that Marvin had signed a contract to play for the
Boston Pride of the
National Women's Hockey League. Participating in the
2016 NWHL All-Star Game, Marvin would compete in the Isobel Cup finals. She would score the second goal in Cup history, during the second period of Game 1 against the Buffalo Beauts. She would end her season by winning the 2016 NWHL Defensive Player of the Year Award. Marvin was selected for the
2017 All-Star Game in February 2017 via a fan vote.
PWHL Boston On December 20, 2023, after taking a season off from hockey, Marvin signed a one-year contract with
PWHL Boston. She played 24 games for Boston, tallying 4 points.
Retirement Marvin announced her retirement from professional ice hockey on October 7, 2024, at the age of 37. == Post-retirement career ==