Most Improved Sophomores: Top Boys 400m Performers in California

MileSplit Staff
MileSplit PRO

See the rest of this article

Access the complete article with MileSplit PRO.

Subscribe to keep reading

Ranking the Most Improved Class of 2028 Boys 400m performers from California compared to their best results from 2025.

Most Improved - 400 Meter Dash

Comparing 2026 season to 2025 season

Rank Improved Athlete/Team Class 2025 PR 2026 PR
1 -17.48 2028 1:20.07 1:02.59
2 -17.00 2028 1:34.81 1:17.81
3 -13.73 2028 1:23.54 1:09.81
4 -12.49 2028 1:23.40 1:10.91
5 -12.13 2028 1:16.16 1:04.03
6 -11.66