MileSplit Staff Apr 17, 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 Kentucky Boys 800m marks compared to their season’s best performances from 2025. Most Improved - 800 Meter Run Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 -1:04.12 Dayton Chidester Edmonson County 2030 3:38.52 2:34.40 2 -58.08 Jayden Burke Shelby County 2028 4:22.80 3:24.72 3 -43.94 Karson Dunn Harlan County 2028 3:06.19 2:22.24 4 -39.54 Ruben Ngulungu Red Bird 2028 3:22.87 2:43.33 5 -37.15 William Gibson John Hardin 2029 3:12.92 2:35.77 6 -31.58 Adam Oliver Dixie Heights ...