The Hawkeyes reached the semifinals and finished third overall in the Hamilton Tournament on Saturday.
Cooperstown lost, 15-13, in a tiebreaker against Hamilton after the teams split two games in the semifinals.
Cooperstown went 4-2 in pool play.
On Friday, visiting Cooperstown beat Little Falls, 25-13, 25-14, 30-28, in a Center State Conference match.
Katie Franck had nine assists and seven aces to lead Cooperstown, which received four kills, three assists and three aces from Kristin Ratliff.
On Monday, the Hawkeyes swept Owen D. Young.
Cooperstown (8-1) plays in the Mount Markham tournament on Saturday.