During her time at Richmond, the Spiders have recorded a 74-16 (.822 winning percent) mark that includes a 28-5 (.848) record in Atlantic 10 Conference play. She has been part of the program that has won two regular season A-10 titles and made two NCAA Tournament appearances in 2018 and 2019.

In 2019, the Spiders set a new program record with 17 wins while winning their second-straight Atlantic 10 Championship title with a 19-18 comeback in in overtime over UMass. The team competed in its second-straight NCAA Tournament and fifth all-time to finish the year at 17-4 overall. Five student-athletes earned first or second team All-Conference honors, led by two-time Atlantic 10 Defensive Player of the Year Julie Ball, who became the first student-athlete in A-10 history to earn the honor more than once. The Spiders boasted one All-Rookie Team and three All-Academic Team honorees, while Ball also earned IWLCA Second Team All-Region honors for the second-straight season.

In just her second season with the Spiders, the 2018 squad tied a program-best record of 16-4 overall, finished in a tie for first in the Atlantic 10 Regular Season, and took the 2018 A-10 Tournament Title with a 12-11 overtime win over UMass. The squad advanced to the NCAA Tournament for the first time since 2007, while eight student-athletes earned All-Conference honors, including A-10 Offensive Player of the Year Kim Egizi and A-10 Defensive Player of the Year Julie Ball. Egizi and Ball also earned IWLCA Second Team All-Region honors for their efforts.

Harrington helped lead the 2017 squad to a 14-6 overall record and a runner-up finish at the Atlantic 10 Championship. Nine student-athletes earned All-Conference honors on the year, including A-10 Rookie of the Year Sam Geiersbach, and First Team honorees Kim Egizi and goalie Megan Gianforte.

With the guidance of Harrington, Gianforte became the first rookie to be named the conference's top goalie since 2006, compiling a .499 save percentage and a 9.48 goals against average. Defender Leslie Espenschied was honored as a member of the A-10 Second Team.

A former student-athlete at William & Mary, Harrington played four seasons of lacrosse in the midfield for the Tribe before entering the coaching world.

A native of Alexandria, Virginia, Harrington joined the Spiders after spending the last two years serving as the Annual Giving Assistant at the University of Virginia for the Virginia Athletics Foundation.