MileSplit Staff Mar 27, 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 Washington 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 -1:33.66 Wykim Kucharik Everett High School 2028 8:11.00 6:37.34 2 -1:16.16 Gavin Guilanians Woodinville Senior High School 2028 6:47.08 5:30.92 3 -1:10.22 Joseph Uran Peninsula High School 2028 6:19.44 5:09.22 4 -57.65 Trayson Bartholomew Shelton High School 2026 5:44.10 4:46.45 5 -54.64 Patrick Ross Port Angeles High School 2028 7:01.33 6:06.69 6 ...