MileSplit Staff May 08, 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 3200m marks compared to their season’s best performances from 2025. Most Improved - 3200 Meter Run Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 -3:13.95 Nicholas Parker Sparta 2026 15:26.10 12:12.15 2 -2:49.85 Bryson Wilson Sullivan 2028 14:15.53 11:25.68 3 -2:40.02 Jonah McCoskey Oswego 2028 14:03.65 11:23.63 4 -2:29.82 John Duda Mt. Prospect (Prospect) 2028 13:01.60 10:31.78 5 -2:28.83 Alex Adler Deerfield 2028 14:18.72 11:49.89 6 -2:26.39 Joseph Siri Manlius (B...