MileSplit Staff Jun 05, 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 Montana 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 -11.19 Cheyanne Douglas Broadwater High School 2028 1:10.47 59.28 2 -8.07 Olivia Kelly Lockwood High School 2026 1:06.08 58.01 3 -6.85 Averi Riedel Fairview High School 2027 56.01 49.16 4 -6.21 Morgan Taylor Shepherd High School 2026 52.86 46.65 5 -5.42 Sislynn Talksabout Browning High School 2027 1:07.44 1:02.02 6 -4.51 ...