Most Improved Massachusetts Girls 600m Times Compared to 2025

Mar 05, 2026

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2026 Improvement Rankings: Highlighting the top Girls 600m performers from Massachusetts compared to their season best results from 2025.

Most Improved - 600m

Comparing 2026 season to 2025 season

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Rank	Improved	Athlete/Team	Class	2025 PR	2026 PR
1	-29.94	Jasmin Monterroza - benavid Southbridge High School	2029	3:11.80	2:41.86
2	-22.03	Serenah Matthews Lowell Catholic	2026	2:49.43	2:27.40
3	-21.59	Leah Varney Leicester High School	2030	2:17.96	1:56.37
4	-20.36	Chloe Flynn Westborough High School	2027	2:22.50	2:02.14
5	-19.29	Arielis Rivera Chicopee High School	2026	2:33.49	2:14.20