MileSplit Staff Apr 24, 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 Illinois Boys Pole Vault marks compared to their season’s best performances from 2025. Most Improved - Pole Vault Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 +10' 0.50" Cole Harris LaGrange (Lyons) 2027 0-09.00 10-09.50 2 +5' 3.75" Asher Podgorny Park Ridge (Maine South) 2027 7-02.25 12-06.00 3 +4' 0.00" Adrian Del Real Berwyn-Cicero (Morton) 2028 6-00.00 10-00.00 4 +3' 6.25" Chase Cook Sycamore (H.S) 2028 5-11.75 9-06.00 5 +3' 4.50" Rogan Nelson Naperville (Neuqua Valley) 2026 11-07.75 15-00.25 6 +...