300 Meter Int.Hurdles · Girls
| # | Athlete | Mark | Year | Timing | Meet / Opponent |
|---|---|---|---|---|---|
| 1 | Johns, Nora | 44.78 | 2022 | FAT | PIAA T&F State Championships |
| 2 | Smith, Margi | 45.00 | 2003 | FAT | |
| 3 | Pocasangre, Rose | 45.78 | 2026 | FAT | Butler Invitational - 61st Annual |
| 4 | Dominguez, Amy | 46.56 | 2005 | FAT | PIAA T&F State Championships |
| 5 | Kriger, Jill | 47.9 | 1995 | HAND | |
| 6 | Bemis, Tabitha | 48.4 | 2007 | HAND | |
| 7 | Rogers, Christa | 48.8 | 2007 | HAND | |
| 8 | Courtney, Francesca | 48.95 | 2019 | FAT | PIAA District 7 (WPIAL) AA Championships |
| 9 | Gartley, Mia | 50.06 | 2025 | FAT | Northern Area Last Chance |
| 10 | Karto, Kwilai | 50.17 | 2023 | FAT | WPIAL AA Team Championships Round 1 |
| 11 | Courtney, Marguerite | 52.02 | 2016 | FAT | WPIAL AA South Section Qualifier |
| 12 | Main, Madelyn | 52.58 | 2025 | FAT | |
| 13 | Allie, Allison | 52.89 | 2026 | FAT | WPIAL Playoff Meet @ Quaker Valley HS |
| 14 | Pribik, Amelia | 53.08 | 2023 | FAT | WPIAL AA Team Championships |
| 15 | Kirkham, Lauren | 53.71 | 2026 | FAT | WPIAL Playoff Meet @ Quaker Valley HS |
| 16 | Hawes, Allie | 53.90 | 2026 | FAT | WPIAL AA Team Championships |
| 17 | Bablak, Emily | 54.23 | 2023 | FAT | WPIAL AA Team Championships Round 1 |
| 18 | Jadlowiec, Grace | 55.94 | 2026 | FAT | SRU High School Invitational |
| 19 | Luptak, Annie | 55.96 | 2017 | FAT | Pine-Richland Invitational |
| 20 | Muretisch, Joelle | 57.07 | 2026 | FAT | Quaker Valley Section Meet |
| 21 | Ford, Alivia | 58.06 | 2014 | FAT | WPIAL AA South Section Qualifier |
| 22 | Rosselli, Sophie | 58.56 | 2025 | FAT | WPIAL Playoff Meet at Shenango Moved from South Side |
| 23 | Main, Kathryn | 59.07 | 2024 | FAT | Riverview v. Quaker Valley v. Sewickley Academy v. Eden Christian Academy v. Redeemer Lutheran HS |
| 24 | Sidani, Maya | 1:00.20 | 2022 | FAT | Butler Jr High Invitational JH F |
| 25 | Fagan, Lili | 1:02.21 | 2022 | FAT | Beaver Area vs Quaker Valley |
25 athletes, best per athlete
y — imperial-distance mark (mile, yards) at its NFHS metric-equivalent time · c — NFHS FAT equivalent (hand times rounded up to the tenth, +0.24s, all distances); original mark in parentheses. Conversions are for comparison only, never official records.