Timchal, who is entering her 36th year as a head coach, is the NCAA's all-time leader in career wins (491) division I women's college lacrosse. Additionally, her eight national titles are the eighth most by a coach in a women's sport in NCAA history, and the 26th most in all sports, men and women combined.
In her 10 seasons at the helm of the Midshipmen program, Navy has accumulated a terrific 155-43 (.783) record, won five Patriot League Championships and has advanced to five NCAA Tournaments (2010, ’11, ’12, ‘13, ‘17). In 2017, Timchal and the Navy lacrosse team made history as it became the first Service Academy team from a women’s sport to advance to the NCAA Final Four.

In 2017, the women’s lacrosse team finished the year 18-5 overall with an 8-1 record in the Patriot League. The Mids made their fifth appearance in the NCAA Tournament and the first appearance for Navy since 2013. The Midshipmen began their historic run, advancing to the NCAA Tournament after posting a 15-5 victory over top-seeded Loyola in the Patriot League Tournament. The win marked the team’s fifth championship and ended the Greyhounds’ 41-game winning streak against PL foes.

In the first round of the NCAA Tournament, Navy defeated No. 7 Penn, 11-10, at Penn Park on Dunning-Cohen Champions Field in Philadelphia, Pa. With the win, the Midshipmen advanced to the second round of the Tournament for just the second time in school history. The victory over the No. 7 Quakers was the first win against a ranked opponent in Navy history. In addition, it was the second NCAA Tournament win for Navy in program history. Navy posted a 23-11 victory over UMass in the second round of the NCAA Tournament for the Mids to advance to the NCAA Tournament Quarterfinals for the first time in program history. The Mids defeated defending National Champions and No. 2 seed North Carolina, 16-14, to punch their ticket in to the first-ever Final Four appearance in school history.

As a team, Navy set the school record for points (545), goals (358), assists (187), shots attempted (805), shots on goal (607), ground balls (453), draw controls (364), caused turnovers (216), and games played (23). The Mids (18-5) finished one-win shy of tying the school records for wins in a season.