MileSplit Staff May 08, 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 Massachusetts Boys Pole Vault marks compared to their season’s best performances from 2025. Most Improved - Pole Vault Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 +9' 9.00" Atticus DeGrenier Wayland High School 2026 0-09.00 10-06.00 2 +3' 0.00" Sam Sudnick Lincoln-Sudbury Regional High School 2027 9-00.00 12-00.00 2 +3' 0.00" Kolby Sahin Roxbury Latin 2028 7-00.00 10-00.00 4 +2' 6.00" Jack Kelly Roxbury Latin 2028 8-06.00 11-00.00 4 +2' 6.00" Sam Schold Worcester Academy 2028 7-06.00 10-00.00 4 +2' ...