MileSplit Staff Apr 17, 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 Oklahoma Girls 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 -1:24.94 Eliot Michalski Norman High School 2027 7:18.25 5:53.31 2 -1:18.65 Masyn Johnson Harrah High School 2029 7:59.27 6:40.62 3 -1:09.06 Zoie Hoff Lone Grove High School 2028 6:59.43 5:50.37 4 -1:06.71 Daltrey Gibson Norman High School 2027 6:54.36 5:47.65 5 -1:02.79 Kaydence Queen Sapulpa High School 2029 6:54.75 5:51.96 6 -58.03 ...