MileSplit Staff Mar 13, 2026 PRO See the rest of this article Access the complete article with MileSplit PRO. Subscribe to keep reading Already a subscriber? Log in. Middle School Improvement Rankings: Highlighting the top Texas Girls 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 -35.77 Cylar Kemp Muenster MS 2030 1:49.54 1:13.77 2 -24.34 Chloe Kleehammer Euless MS 2030 1:39.86 1:15.52 3 -18.92 Aubrie Watkins Marlin 2030 1:31.34 1:12.42 4 -17.18 HADLEY MARCONTELL Barbers Hill South MS 2030 1:18.90 1:01.72 5 -15.31 Rebekah Johnson Houston Cyp. Creek 2031 1:36.36 1:21.05 6 -14.36 Aislynn Sanc...