MileSplit Staff Jun 05, 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 Long Jump marks compared to their season’s best performances from 2025. Most Improved - Long Jump Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 +17' 8.25" Brenden Waddell West Frankfort (Frankfort) 2026 1-07.00 19-03.25 2 +17' 1.00" Kyzer Bowhanan West Frankfort (Frankfort) 2028 1-04.00 18-05.00 3 +15' 6.75" Jacob Huff Lemont 2029 1-02.00 16-08.75 4 +13' 3.75" Brayden Fleming Rockford (Flinn) 2030 1-04.00 14-07.75 5 +5' 3.25" Karron Giles Collinsville 2026 14-02.50 19-05.75 6 +5' 3.00" ...