MileSplit Staff May 29, 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 Triple Jump marks compared to their season’s best performances from 2025. Most Improved - Triple Jump Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 +37' 5.50" Shea Spreeman Sentinel High School 2028 3-00.00 40-05.50 2 +9' 11.00" Guthry Dinsdale Unattached - MT 2030 26-07.00 36-06.00 3 +9' 6.25" Easton Vindiola Columbus High School 2029 25-05.00 34-11.25 4 +7' 5.00" Aiden Hill Laurel High School 2029 28-02.50 35-07.50 5 +6' 9.50" Lukas Vesbach Columbus High School 2029 25-11.00 32-08.50 6