MileSplit Staff May 22, 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 Hawaii Boys 400m marks compared to their season’s best performances from 2025. Most Improved - 400 Meter Dash Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 -12.67 Brady Punu Seabury Hall 2028 1:08.66 55.99 2 -10.27 Kaulana Pratt Castle High School 2027 1:13.48 1:03.21 3 -7.40 Nico Pelton Keaau High School 2027 1:05.29 57.89 4 -7.12 Tayvin Kuali'i Hilo High School 2026 1:00.68 53.56 5 -6.88 Michael Ratuita Kapolei High School 2028 1:12.28 1:05.40 6 -6.59 Harlen Mangus Keaau High ...