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 Jersey Boys 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 -5.58 Jamir Figueroa Lenape Valley HS 2028 53.58 48.00 2 -3.58 Jaden Quiles Dover HS 2027 47.74 44.16 3 -2.87 Malachi Michel Seton Hall Prep 2026 46.39 43.52 4 -2.77 Shane Williams North Bergen HS 2026 44.90 42.13 5 -2.13 Alexand Salgado-Lozhkin The Lawrenceville School 2026 47.66 45.53 6 -1.60 Nathaniel Delgado ...