MileSplit Staff May 15, 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 Arizona 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 -33.18 Gavin Holdaway ALA Ironwood 2028 2:53.54 2:20.36 2 -32.45 Rey Espinoza Cesar Chavez High School 2026 2:41.07 2:08.62 3 -30.70 Armando Bernal West Point High School 2027 2:53.20 2:22.50 4 -30.38 Andrew Hollman Ironwood Ridge High School 2028 3:07.16 2:36.78 5 -28.47 Xaviar Bernal West Point High School 2028 2:48.60 2:20.13 6 -27.95 ...