MileSplit Staff May 22, 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 California Girls 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 -47.70 Karen Yes Belmont (LA) 2028 3:22.00 2:34.30 2 -45.12 Kailyn Proctor Fullerton Union (SS) 2026 3:29.64 2:44.52 3 -44.70 Dalia Montoya San Fernando (LA) 2027 3:22.00 2:37.30 4 -41.21 Rhyen Watson Liberty - Bakersfield (CS) 2027 3:23.98 2:42.77 5 -40.82 Janice Medina Frontier (CS) 2028 3:23.40 2:42.58 6 -37.58 Polina Tsoy ...