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 Colorado Boys 800m marks compared to their season’s best performances from 2025. Most Improved - 800 Meter Run Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 -55.09 Cooper Merket Golden High School 2028 4:02.53 3:07.44 2 -48.56 Wadie Ali Broomfield High School 2027 3:51.56 3:03.00 3 -46.97 Eddie Perez Rocky Ford High School 2028 3:43.52 2:56.55 4 -39.32 David Rodriguez SkyView Academy 2028 3:00.60 2:21.28 5 -31.55 Nathan Aucott Ascent Classical Academy of Douglas County 2029 3:08.15 2:36.60 6 -30.03 ...