Most Improved California Girls 400m Marks Compared to 2025

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Improvement Rankings: Top California Girls 400m marks compared to their season’s best performances from 2025.

Most Improved - 400 Meter Dash

Comparing 2026 season to 2025 season

Rank Improved Athlete/Team Class 2025 PR 2026 PR
1 -18.70 2028 1:25.99 1:07.29
2 -17.71 2027 1:25.10 1:07.39
3 -14.37 2027 1:22.76 1:08.39
4 -14.36 2028 1:23.85 1:09.49
5 -13.60 2028 1:19.28 1:05.68
6 -13.59 ...