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 Minnesota Girls 400m marks compared to their season’s best performances from 2025. Most Improved - 400 Meter Dash Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 -21.35 Lexi Van Dyke Southwest Minnesota Christian High School 2028 1:32.01 1:10.66 2 -19.56 Grace Swartz Silver Bay (William Kelley) High School 2028 1:38.20 1:18.64 3 -17.83 Lacee Benjamin Anoka High School 2027 1:27.85 1:10.02 4 -13.12 Ava Bordewyk Windom Area High School 2030 1:21.43 1:08.31 5 -10.08 Eva Hubbard Hills-Beaver Creek High School 2030 1:46.02 1:35.9...