MileSplit Staff Apr 24, 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 Wisconsin Girls 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 -5.97 Elena Calderon Valley Christian - Oshkosh 2028 1:10.74 1:04.77 2 -5.81 Brooke Dorner Bay Port 2028 59.72 53.91 3 -5.37 Reece Caudill Middleton 2026 1:11.11 1:05.74 4 -5.14 Olivia McCauley Hillsboro 2028 57.39 52.25 5 -4.30 Antanica Johnson Saint Thomas More 2028 1:06.52 1:02.22 6 -4.16 Autumn Aschinger ...