MileSplit Staff May 22, 2026 PRO See the rest of this article Access the complete article with MileSplit PRO. Subscribe to keep reading Already a subscriber? Log in. Improvement Rankings: Top North Carolina 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 -21.47 Mary Abney Langtree Charter Academy 2028 1:35.67 1:14.20 2 -19.44 Kamryn Rowe Camden County 2028 1:29.70 1:10.26 3 -17.66 Campbell Kate Heritage Leadership Academy 2030 1:27.11 1:09.45 4 -17.01 Caelyn Frederick Without Limits 2033 1:23.63 1:06.62 5 -16.04 Braelyn Bowman Fayetteville Academy 2032 1:26.19 1:10.15 6 -15.89 ...