Boys 400 Meter Dash
| RANK | TIME | ATHLETE/TEAM | GRADE | MEET DATE PLACE |
|---|---|---|---|---|
| 1 | 46.35 | Allen | 2025 | |
| 2 | 47.27 | Langham Creek High School | 2023 | CFISD Invitational 1st F |
| 3 | 47.49 | Katy Mayde Creek | 2025 | Victor Lopez Classic 1st F |
| 4 | 47.54 | Klein Cain | 2024 | |
| 5 | 47.85 | Humble Atascocita | 2024 | Victor Lopez Classic 2nd F |
| 6 | 47.95 | Humble Atascocita | 2024 | Victor Lopez Classic 3rd F |
| 7 | 48.01 | Lancaster | 2023 | |
| 8 | 48.07 | Fort Bend Travis | 2023 | Bridgeland Relays 1st F |
| 9 | 48.09 | Fort Bend Hightower | 2023 | |
| 10 | 48.10 | Katy Tompkins | 2023 | |
| 11 | 48.19 | Lindale | 2025 | |
| 12 | 48.30 | Marshall | 2023 | Tiger Relays 1st F |
| 13 | 48.30 | Georgetown High | 2023 | EAGLE RELAYS 1st F |
| 14 | 48.35 | Cypress Woods High School | 2023 | CFISD Invitational 2nd F |
| 15 | 48.42 | Dumas | 2023 | |
| 16 | 48.53 | Marshall | 2023 | Marshall Maverick Relays 1st F |
| 17 | 48.55 | Fort Bend Hightower | 2024 | |
| 18 | 48.57 | Manor | 2023 | Chap Relays 1st F |
| 19 | 48.58 | Klein Forest | 2024 | |
| 20 | 48.59 | McAllen | 2023 | RGVCA Meet of Champions 1st F |
| 21 | 48.61 | The Woodlands College Park | 2023 | |
| 22 | 48.65 | Northwest Eaton | 2023 | |
| 23 | 48.68 | Crane | 2023 | |
| 23 | 48.68 | Katy Morton Ranch | 2023 | |
| 25 | 48.76 | Smithson Valley | 2023 | Bastrop Bear Relays 1st F |
| 26 | 48.79 | Richmond Foster | 2023 | Shelia Lofton Relays 1st F |
| 27 | 48.82 | Fort Worth Country Day | 2023 | |
| 28 | 48.86 | The Woodlands | 2023 | Victor Lopez Classic 4th F |
| 29 | 48.96 | Klein Forest | 2023 | |
| 30 | 48.97 | Prosper | 2024 | Jesuit-Sheaner Relays 2nd P |
| 30 | 48.97 | Katy Seven Lakes | 2023 | |
| 32 | 48.98 | Houston Cyp. Springs | 2023 | |
| 33 | 49.00 | Round Rock | 2024 | Round Rock Invitational 1st F |
| 33 | 49.00 | Humble | 2023 | |
| 35 | 49.02 | Mansfield Timberview | 2023 | Jesuit-Sheaner Relays 1st F |
| 36 | 49.04 | Round Rock McNeil | 2023 | McNeil Maverick Relays 1st F |
| 37 | 49.06 | Edinburg North | 2023 | |
| 38 | 49.15 | DeSoto | 2023 | Jesuit-Sheaner Relays 3rd P |
| 39 | 49.16 | Katy | 2023 | Bridgeland Relays 2nd F |
| 40 | 49.18 | Denton Guyer | 2023 | |
| 40 | 49.18 | Lufkin | 2025 | |
| 42 | 49.20 | Justin Northwest | 2023 | |
| 42 | 49.20 | Arlington Martin | 2025 | Jesuit-Sheaner Relays 4th P |
| 44 | 49.23 | Vernon | 2025 | Hawk Relays 1st F |
| 45 | 49.27 | Wharton | 2025 | |
| 46 | 49.28 | Houston Cyp. Creek | 2023 | Crusader Relays 1st F |
| 47 | 49.29 | Midlothian | 2023 | |
| 48 | 49.35 | Mansfield Lake Ridge | 2023 | Jesuit-Sheaner Relays 6th P |
| 49 | 49.36 | Austin Lake Travis | 2026 | McNeil Maverick Relays 2nd F |
| 49 | 49.36 | Pearland Dawson | 2024 | Victor Lopez Classic 6th P |
| 51 | 49.37 | Frisco Centennial | 2023 | Jesuit-Sheaner Relays 2nd F |
| 52 | 49.38 | Fort Bend Christian Academy | 2023 | Spartan Relays 3rd F |
| 52 | 49.38 | Fort Bend Marshall | 2023 | |
| 52 | 49.38 | Mansfield Lake Ridge | 2023 | |
| 55 | 49.39 | DeSoto | 2025 | |
| 55 | 49.39 | Humble Kingwood | 2024 | |
| 57 | 49.41 | Randle High School | 2025 | |
| 58 | 49.41 | Waco La Vega | 2023 | |
| 59 | 49.44 | Sheldon King | 2026 | Bridgeland Relays 3rd F |
| 60 | 49.45 | Galena Park North Shore | 2025 | C.E. King Panther Relays 1st F |
| 60 | 49.45 | Mansfield Lake Ridge | 2023 | Jesuit-Sheaner Relays 7th P |
| 62 | 49.46 | Humble | 2023 | Bayshore Olympics 1st F |
| 62 | 49.46 | Taft | 2024 | |
| 64 | 49.47 | Mart | 2023 | District 18-2A 1st P |
| 65 | 49.49 | Northwest Nelson | 2024 | |
| 66 | 49.49 | Houston Christian | 2024 |