MileSplit Staff Apr 10, 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 Wisconsin Boys 1600m marks compared to their season’s best performances from 2025. Most Improved - 1600 Meter Run Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 -46.46 Finley Zamecnik Port Washington 2028 6:52.92 6:06.46 2 -46.42 Nathan Robbins Lodi 2027 6:18.84 5:32.42 3 -34.38 Enrique Becerra Madison La Follette 2028 5:34.78 5:00.40 4 -33.93 Cole Egnew Mount Horeb 2027 6:36.80 6:02.87 5 -26.44 Brady Keehn Monroe 2026 5:32.15 5:05.71 6 -24.36 Noah Koltz Mount Horeb ...