Williams captured the 2018 NESCAC Women's Golf Championship/George Phinney Classic with a two-day total of 643 (320-323) at the par-71 Ralph Myhre Golf Course on the Middlebury campus. The Ephs led by a stroke after one day of play, increasing their lead to seven at the tournament's end. Amherst placed second overall with a 650 (321-329), followed by the host Panthers with a 663 (326-337). Chloe Levins of Middlebury captured medalist honors with a pair of 76s for a two-day total of 152, four strokes better than her opponents.

Tying for third overall was Blake Yaccino, who came in with a 160 (79-81) overall. Helen Dailey finished in a tie for 18th place with a 175 (87-88), followed by Maddy Cordeiro with a 192 (94-98). Rounding out the squad was Anna Zumwinkle, who posted a two-day total of 176 (84-92).