MileSplit Staff May 29, 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 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 -1:54.67 Kye Ratliff Osage Hills School 2031 8:42.96 6:48.29 2 -1:40.38 Andrew Velez El Reno High School 2027 6:35.74 4:55.36 3 -1:28.27 Finley Gist Cleora 2031 7:18.99 5:50.72 4 -1:25.25 Josh Calvert Jones High School 2029 6:43.96 5:18.71 5 -1:24.47 Treysen Radick Oklahoma School for the Blind 2027 7:40.80 6:16.33 6 -1:23.55 Bent...