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 New Mexico 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 -13.89 Amanda Escamillia Valencia High School 2028 1:08.68 54.79 2 -10.64 Payton Arnholt Hope Christian High School 2026 1:02.46 51.82 3 -9.51 Lillyana Lowery Sandia High School 2028 56.36 46.85 4 -7.94 Charissa Alex-Bature Rio Rancho High School 2027 57.31 49.37 5 -7.25 Dymond Henry Crownpoint High School 2026 58.80 51.55 6 -6.81 ...