The Peabody, Mass., native finished sixth in the 800m run with a time of 2-minutes, 8.98-seconds.
The rising sophomore competed in the 3000m steeplechase on Sunday and finished sixth with a time of 9:31.57.
The rising sophomore broke her own school record in the 800m with a time of 2:07.21.
UMass men's lacrosse had seven incoming freshmen earn U.S. Lacrosse High School All-America honors.
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Former softball All-American Sara Plourde was named to the Canadian National Team for the second-consecutive year on Wednesday.
UMass rowing associate head coach Laura Simon will work with U.S. Junior National Program this summer.
Harris, along with Lukas Kolter (DL), Brian McDonald (P) and Austin Whipple (QB) officially added to 2014 roster.