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 South Carolina Boys 110m Hurdles marks compared to their season’s best performances from 2025. Most Improved - 110 Meter Hurdles Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 -4.80 Nicholas Bonavilla Chapin 2029 22.13 17.33 2 -4.48 Tylan McGrier McCormick 2029 21.49 17.01 3 -4.42 Jayvian Copeland Chapman 2030 27.24 22.82 4 -4.34 Peyton Kinley Calhoun County 2028 22.66 18.32 5 -4.30 Gregory Carter Crestwood 2026 21.71 17.41 6 -4.20 Jake Whitley Chapin 2028 21....