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 Girls 300m Hurdles performers in TX UIL 3A Region 3 this season. 300 Meter Hurdles Rank Time Athlete/Team Class Meet / Date 1 48.75 Briley Brown West 2026 Mart Speed Meet Feb 25, 2026 2 50.94 Marley Miller West 2027 Mart Speed Meet Feb 25, 2026 2 50.94 Holland Shambaugh Whitney 2029 Gayle Pruitt Relays Feb 26, 2026 4 51.66 Mikeala Quave Winnie East Chambers 2027 Longhorn Relays Feb 26, 2026 5 52.10 Mia Lathem Scurry Rosser HS 2028 Bulldog Relays Feb 26, 2026 6 52.19 ...