Most Improved Pennsylvania Girls 400m Marks Compared to 2025

MileSplit Staff

This content requires a MileSplit Pro plan.
Join Now and select any plan for instant access!

MileSplit Pro
Join Now

Improvement Rankings: Top Pennsylvania 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 -23.22 2026 1:41.15 1:17.93
2 -15.27 2026 1:34.67 1:19.40
3 -14.37 2028 1:36.85 1:22.48
4 -13.53 2028 1:33.90 1:20.37
5 -13.32 2030 1:33.03 1:19.71
6 -10.96