MileSplit Staff Jun 05, 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 Connecticut Girls 300m Hurdles marks compared to their season’s best performances from 2025. Most Improved - 300 Meter Hurdles Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 -21.70 Alivia Burke Stafford High School 2026 1:16.81 55.11 2 -9.29 Layla Harris Windsor High School 2027 56.14 46.85 3 -9.19 Shanaya Johnson Warren Harding High School 2028 1:04.28 55.09 4 -8.78 Dominique Ellerby Warren Harding High School 2027 59.14 50.36 5 -8.56 Addilyn Lefkowski Northwestern Regional High School 2027 1:01.30 52.74 6 ...