MileSplit Staff Mar 16, 2026 PRO See the rest of this article Access the complete article with MileSplit PRO. Subscribe to keep reading Already a subscriber? Log in. Ranking the Most Improved Class of 2028 Girls 400m performers from Texas 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 -18.71 Savanna Edmonson Austin Northeast 2028 1:35.10 1:16.39 2 -14.52 Jamyiah Dean Wichita Falls Memorial 2028 1:38.11 1:23.59 3 -13.34 Paulina Fierro San Elizario 2028 1:23.61 1:10.27 4 -12.26 La'rissa Cole San Antonio Roosevelt 2028 1:21.64 1:09.38 5 -11.91 Kayla Cross Providence Catholic School 2028 1:31.40 1:19.49 6 -11.71 ...