In her first season at the helm of the Royals program in 2019, Trescavage led Scranton to unprecedented heights, as the squad finished the year with their best record in a season in program history (16-3) and ranked nationally in the IWLCA Division III Top 25 poll for the first time ever (20th). The Royals advanced all the way to the Landmark Conference championship match in Trescavage's first campaign, as the team's three losses came to teams ranked in the final IWLCA Top 25 of the season.

For her efforts, Trescavage was named the IWLCA Division III Boardwalk Region Coach of the Year, as she guided six student-athletes to All-Landmark Conference accolades, four more to IWLCA All-Region honors, and another (Becca Russo) to IWLCA All-American accolades, marking the first time since 2003 a Scranton women's lacrosse player earned All-American honors.

Trescavage brought six seasons of head coaching experience at the NCAA Division III level to Scranton having most recently led Misericordia from 2013-16 where she guided the Cougars to three straight MAC Freedom Conference playoff appearances and was named the leagues coach of the year in 2015. Prior to her time at Misericordia, Trescavage was the head coach at Lycoming for two seasons.

During her four years at Misericordia, Trescavage transformed the Cougars into a contender in the MAC Freedom Conference. She led Misericordia to back-to-back appearances in the conference championship game in 2015 and 2016 with the Cougars also earning bids to the ECAC Mid-Atlantic Region championships both of those seasons.

In her final three seasons at Misericordia, Trescavages Cougars posted 26 wins including an impressive 14-4 record against conference opponents. She mentored 14 Cougars to All-Conference honors and also coached four players to All-Region honors.

Trescavage was also active in the lacrosse and campus communities, serving as a member of the NCAA Division III All-Region selection committee and the NCAA Division III regional advisory committee. She was also a member of Misericordias suicide prevention and staff compensation committees.

Before taking over at Misericordia, Trescavage was the head coach at Lycoming for the 2011 and 2012 seasons, where she helped two Warriors collect All-American honors from USA College Lacrosse.com. She also had two players earn All-Conference accolades in 2012 and she boasted the nations second-leading scorer, Grace Gargiulo, who averaged 5.0 goals per game.