MileSplit Staff May 01, 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 300m Hurdles marks compared to their season’s best performances from 2025. Most Improved - 300 Meter Hurdles Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 -15.75 Max Renfrow Jones High School 2030 1:02.82 47.07 2 -13.40 Bentley Logan Bethel High School 2030 1:04.86 51.46 3 -10.36 Mason DuPlantier Cache High School 2030 1:00.68 50.32 4 -8.75 Kameron Paul Summit Christian Academy 2030 1:01.28 52.53 5 -7.84 Jaxxin Allen Cache High School 2030 59.48 51.64 6 -7.56 Eston Hardy ...