Most Improved Massachusetts Girls 300m Hurdles Marks Compared to 2025

May 08, 2026

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Improvement Rankings: Top Massachusetts Girls 300m Hurdles marks compared to their season’s best performances from 2025.

Most Improved - 300 Meter Hurdles

Comparing 2026 season to 2025 season

Rank	Improved	Athlete/Team	Class	2025 PR	2026 PR
1	-3.15	Olivia Kay Montrose School	2030	56.33	53.18
2	-2.33	Sienna Mercaldi Governor's Academy	2027	48.97	46.64
3	-2.07	Astrid Erdos Concord Academy	2026	58.97	56.90
4	-1.63	Madeline Pike Thayer Academy	2026	55.69	54.06
5	-1.60	Avery Desmarais Williston Northhampton School	2029	59.64	58.04
6	-1.52	Lexi Krum