As a Freshman (2019-20):
At GNAC Championships, finished fourth in 200 backstroke (2:20.16/2:20.94), sixth in 500 freestyle (5:41.20), and ninth in 100 backstroke (1:05.50/1:05.93) ... At NEISDA Championships, finished ninth in 200 backstroke (2:19.32), 11th in 500 freestyle (5:35.76), and 13th in 100 backstroke (1:04.70/1:05.24), plus swam third leg of both fifth place 400 freestyle relay and eighth place 800 freestyle relay.

Prep:
Adelfio attended Rockport High School in Rockport, Mass., but swam for Gloucester High School in Gloucester, Mass. ... MVP of the swim team after the 2017-18 season ... Qualified for the sectional meet in all four years and for the state championships as a freshman, junior, and senior ... Northeast Conference All-Star all four years.

Club:
Participated for two years with the North Shore Swim Club ... Helped her team qualify for the regional meet ... Competed in the 2016 Bay State Games and earned a bronze medal in the 200 backstroke.

Personal:
Adelfio is the oldest daughter of Heather and Vincent Adelfio, and she has a younger brother ... Majoring in sonography.