MileSplit Staff May 07, 2026 PRO See the rest of this article Access the complete article with MileSplit PRO. Subscribe to keep reading Already a subscriber? Log in. Ranking the top upperclassman Girls 300m Hurdles performers in Massachusetts during the 2026 Outdoor Season. 300 Meter Hurdles Rank Time Athlete/Team Class Meet / Date 1 46.64 Sienna Mercaldi Governor's Academy 2027 Groton School v. Governor's Academy, Lawrence Academy & Montrose Apr 29, 2026 2 48.46 Adrianna Chechile Wilbraham and Monson Academy 2026 Wilbraham and Monson vs Cheshire Academy and Milbrook Apr 11, 2026 3 49.48 Tabitha Picucci Groton School 2027 Groton School v. Lawrence Academy & Middlesex School May 2, 2026 4 49.56 Kaelyn Powell Lawrence Academy 2026 Groton School v. Lawrence Academy & Middle...