MileSplit Staff May 20, 2026 PRO See the rest of this article Access the complete article with MileSplit PRO. Subscribe to keep reading Already a subscriber? Log in. Ranking the top underclassman Boys 400m performers in Delaware during the 2026 Outdoor Season. 400 Meter Dash Rank Time Athlete/Team Class Meet / Date 1 49.48 Xavier Twyman Tower Hill School 2028 DIAA Track & Field Championships May 15, 2026 2 49.62 Cory Pierce Smyrna High School 2028 DIAA Track & Field Championships May 15, 2026 3 49.78 Lezir Brown Alexis I. DuPont High School 2029 DIAA Track & Field Championships May 15, 2026 4 50.06 Christian Artson Woodbridge High School 2028 DIAA Track & Field Championships May 15, 2026 5 50.49 Chase Mellen Sale...