HOPKINTON, N.H. – Junior captain Olivia Mosca (Brewer, Maine) placed 54th to lead the University of Southern Maine Huskies at the 2023 NCAA Division III East Regional Championships on Saturday. Mosca clocked a new personal-best 6K time of 23:32.5 at the event held at the Hopkinton Fair Grounds. Southern Maine placed 18th overall while the regional title was claimed by the Massachusetts Institute of Technology, who had three of the top five finishers. Worcester Polytechnic Institute’s Grace Hadley won the individual title with a time of 20:48.86. Freshman Sam Fenley (Harlowton, Mont.) finished in the top 100 runners at 98th…