MileSplit Staff May 29, 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 Utah 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 -9.25 Carolina Black Brighton 2027 55.58 46.33 2 -7.43 Quincy Hadlock Lone Peak 2026 53.51 46.08 3 -7.27 Brinley Jepson Crimson Cliffs 2027 57.13 49.86 4 -6.17 Gracie Mills West Jordan 2027 1:00.11 53.94 5 -6.15 Bailey Holden Morgan 2028 58.59 52.44 6 -6.13 Alexis Anderson Uintah 2027 56.45