Girls 300 Meter Hurdles
| RANK | TIME | ATHLETE/TEAM | GRADE | MEET DATE PLACE |
|---|---|---|---|---|
| 1 | 40.74 | Cameron Yoe | 2024 | |
| 2 | 41.46 | Goliad | 2024 | |
| 3 | 41.74 | Denton Ryan | 2025 | |
| 4 | 41.95 | San Antonio Reagan | 2024 | |
| 5 | 42.15 | College Station | 2025 | Jesuit-Sheaner Relays 1st F |
| 6 | 42.19 | Frisco Panther Creek | 2024 | |
| 7 | 42.30 | Bridgeland | 2024 | |
| 8 | 42.57 | Tomball Rosehill Christian | 2024 | |
| 9 | 42.74 | Richmond George Ranch | 2024 | |
| 10 | 43.16 | Shadow Creek | 2025 | |
| 11 | 43.27 | Cedar Hill | 2024 | Jesuit-Sheaner Relays 3rd F |
| 12 | 43.33 | Garland Lakeview Centennial | 2026 | Jesuit-Sheaner Relays 4th F |
| 13 | 43.43 | Houston Carnegie Vanguard | 2025 | TSU Relays HS Division 2nd F |
| 14 | 43.50 | La Porte | 2025 | |
| 15 | 43.52 | Klein | 2025 | |
| 16 | 43.62 | Humble | 2025 | Ed Taylor Invitational 1st F |
| 17 | 43.65 | Houston Incarnate Word | 2025 | |
| 18 | 43.74 | Tomball | 2026 | |
| 19 | 43.75 | Edinburg Economedes | 2024 | RGVCA Meet of Champions 1st F |
| 19 | 43.75 | Houston Cyp. Fair | 2024 | |
| 21 | 43.78 | The Woodlands | 2024 | |
| 22 | 43.81 | Fayetteville | 2025 | |
| 23 | 43.87 | Shadow Creek | 2025 | |
| 24 | 43.97 | Harlingen | 2025 | RGVCA Meet of Champions 2nd F |
| 25 | 44.00 | Humble Summer Creek | 2025 | |
| 26 | 44.03 | Huffman Hargrave | 2024 | Ed Taylor Invitational 2nd F |
| 27 | 44.10 | Panhandle | 2027 | |
| 28 | 44.14 | Odessa Permian | 2025 | Socorro Invitational 1st F |
| 29 | 44.17 | Lucas Lovejoy | 2024 | Jesuit-Sheaner Relays 5th P |
| 30 | 44.18 | Northwest Nelson | 2024 | Jesuit-Sheaner Relays 6th P |
| 31 | 44.20 | Humble Summer Creek | 2025 | |
| 32 | 44.47 | Lucas Lovejoy | 2024 | Celina Relays 1st F |
| 33 | 44.48 | Harlan | 2024 | Mule Relays 1st F |
| 33 | 44.48 | Midlothian | 2024 | Carter ShootOut 1st F |
| 35 | 44.60 | United High School | 2025 | Border Olympics 1st F |
| 35 | 44.60 | Goliad | 2025 | |
| 37 | 44.64 | Red Oak | 2024 | Desoto Nike Invitational 1st F |
| 38 | 44.65 | Shadow Creek | 2025 | |
| 39 | 44.70 | McAllen | 2025 | RGVCA Meet of Champions 3rd F |
| 40 | 44.73 | Duncanville | 2027 | |
| 40 | 44.73 | El Paso Burges | 2024 | Willie Williams 2nd F |
| 42 | 44.74 | The Woodlands | 2025 | |
| 43 | 44.75 | Celina | 2025 | Celina Relays 2nd F |
| 43 | 44.75 | Richmond George Ranch | 2025 | |
| 45 | 44.76 | Fort Bend Marshall | 2025 | |
| 46 | 44.78 | Amarillo | 2024 | Lubbock Invitational 1st F |
| 47 | 44.89 | DeSoto | 2024 | Jesuit-Sheaner Relays 7th F |
| 48 | 44.94 | Childress | 2024 | |
| 49 | 45.04 | Abilene Cooper | 2024 | Kangaroo Relays 1st F |
| 50 | 45.07 | Deer Park | 2024 | |
| 51 | 45.13 | DeSoto | 2024 | Jesuit-Sheaner Relays 9th P |
| 52 | 45.16 | Amarillo | 2027 | Lubbock Invitational 2nd F |
| 53 | 45.17 | China Spring | 2026 | Bronco Relays 1st F |
| 54 | 45.22 | Mont Belvieu Barbers Hill | 2025 | |
| 54 | 45.22 | Wolfforth Frenship | 2024 | Lubbock Invitational 3rd F |
| 56 | 45.24 | Northside O'Connor | 2025 | Alamo Relays 1st F |
| 57 | 45.25 | Flower Mound | 2026 | Keller Dave Park Relays 1st F |
| 57 | 45.25 | Denton Braswell | 2026 | Braswell Bengal Relays 3rd F |
| 59 | 45.26 | Goldthwaite | 2024 | |
| 59 | 45.26 | Frisco Heritage | 2027 | Jesuit-Sheaner Relays 10th P |
| 61 | 45.34 | Llano High School | 2024 | |
| 62 | 45.40 | New Waverly | 2024 | |
| 63 | 45.47 | Beeville Jones | 2026 | |
| 64 | 45.50 | Houston St Agnes | 2026 | STH Eagle Relays 2nd F |
| 65 | 45.58 | Magnolia | 2024 | |
| 66 | 45.67 | McKinney North | 2026 | |
| 67 | 45.74 | Princeton | 2024 | Pirate Invite (Crandall) 1st F |
| 68 | 45.77 | Klein Forest | 2025 | |
| 69 | 45.78 | Life Waxahachie | 2025 | |
| 69 | 45.78 | Harper | 2024 | |
| 71 | 45.79 | Mission Sharyland | 2025 | RGVCA Meet of Champions 4th F |
| 72 | 45.80 | Rockwall | 2024 | Jesuit-Sheaner Relays 11th P |