MileSplit Staff Mar 05, 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 Boys 400m performers in TX UIL 5A Region 2 this season. 400 Meter Dash Rank Time Athlete/Team Class Meet / Date 1 48.68 Nile Rivers Mesquite Poteet 2026 2026 Michael Johnson Invitational Feb 28, 2026 1 48.68 Taj Allen Dallas Adams 2026 Ben Robertson Invitational Feb 28, 2026 3 48.98 William Holbrook Dallas Wilson 2027 Cougar Invitational FULL Feb 12, 2026 4 49.06 Ashton Fletcher Prosper Walnut Grove High School 2026 Plano ISD Ron McNeill Invitational Feb 28, 2026 5 49.53 Aiden Hill Marshall 2026 Nacogdoc...