The Tigers, who were coming off victories at the FCIAC, Class LL and State Open meets, had 218 points and were the top Connecticut team.
Barrington (R.I.) was first in the 30-team field with 75 points.
Laura Hergenrother led Ridgefield with an 18th-place overall finish in a time of 19:47.74 for the 3.1-mile race.
Sarah Guillaume (38th), Caroline Carr (54th), Melissa Budicini (107th) and Hannah Fleming (143rd) also contributed to the team score for Ridgefield, which was 10th at last year’s New England meet.
Although the Ridgefield boys did not qualify as a team for regionals, Trevor Hopper competed individually and was 11th overall in a time of 16:39.19.
Hopper was the fifth finisher from Connecticut.