MileSplit Staff May 15, 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 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 -146:58.88 Ryan Larrivee Grayslake (North) 2026 149:10.00 2:11.12 2 -1:01.53 Nicholas Parker Sparta 2026 3:30.70 2:29.17 3 -1:00.19 Andrw Paz Ponce de Leon Norridge (Ridgewood) 2027 3:32.33 2:32.14 4 -39.92 Ethan Angulo Oak Forest 2027 3:10.49 2:30.57 5 -38.99 Allesandro Aban Aurora (East) 2027 2:51.80 2:12.81 6 -38.59 Walter Behan ...