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 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 -1:32.98 Sydney Fidler Steilacoom High School 2028 8:19.46 6:46.48 3 -1:28.59 Gavin Guilanians Woodinville Senior High School 2028 6:47.08 5:18.49 4 -1:19.94 Joseph Uran Peninsula High School 2028 6:19.44 4:59.50 5 -1:14.54 Emmett Cress Chiawana 2029 7:14.00 5:59.46 6 -1:13.90 ...