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 -16.39 2027 1:25.10 1:08.71
3 -15.76 2027 1:26.48 1:10.72
4 -14.36 2028 1:23.85 1:09.49
5 -12.66 2028 1:20.18 1:07.52
6 -12.46 ...