Most Improved California Middle School Boys 400m Marks Compared to 2025

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Middle School Improvement Rankings: Highlighting the top California Boys 400m performers this Outdoor Season compared to 2025.

Most Improved - 400 Meter Dash

Comparing 2026 season to 2025 season

...
Rank Improved Athlete/Team Class 2025 PR 2026 PR
1 -15.24 2036 1:38.39 1:23.15
2 -14.16 2031 1:22.43 1:08.27
3 -12.49 2030 1:13.89 1:01.39
4 -12.49 2038 1:47.69 1:35.20
5 -10.46 2031 1:18.30 1:07.84