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 Arkansas Girls 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 -1:25.62 Adelynn Griffin El Dorado Junior High 2029 8:07.62 6:42.00 2 -1:21.08 Sarinity Bullucks Mills University Studies High School 2026 8:19.19 6:58.11 3 -1:19.51 Heather Johnson Southside-Batesville High School 2027 8:06.37 6:46.86 4 -1:09.93 Carli White Greene County Tech 2030 7:56.13 6:46.20 5 -1:06.19 Haiden Bell J.A. Fair Preparatory School 2030 8:07.27 7:0...