MileSplit Staff Apr 03, 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 Boys 1600m marks compared to their season’s best performances from 2025. Most Improved - 1600 Meter Run Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 -49.31 Channing Falls Down Hardin High School 2026 5:46.75 4:57.44 2 -45.82 Joshua Dingman Big Sky High School 2027 7:29.17 6:43.35 3 -41.73 Ryder Trees Unattached - MT 2027 5:30.12 4:48.39 4 -23.25 Zale Adams Joliet High School 2029 6:06.12 5:42.87 5 -22.07 Oliver Brown Unattached - MT 2027 5:09.69 4:47.62 6 -17.16 Jaleel Bearing ...