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 Missouri Boys Long Jump marks compared to their season’s best performances from 2025. Most Improved - Long Jump Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 +1.44m Bryce McCoy Francis Howell High School 2028 4.38m 5.82m 2 +1.41m Britton Haase Kickapoo High School 2029 4.30m 5.71m 3 +1.40m Donnie Thomas University Academy Charter 2028 3.91m 5.31m 4 +1.30m Rashad Webster Ft. Zumwalt West High School 2027 4.17m 5.47m 5 +1.16m Malakhi Hughes Central (New Madrid County) High School 2026 5.31m 6.46m 6 +1.1...