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Bullis School made some more history in the girls' 4x400m relay at New Balance Nationals Indoor with a commanding victory, setting a new high school national record and meet record with a time of 3:35.54. This remarkable performance shattered the previous meet record of 3:38.18 and the national record of 3:37.63, both set by Montverde Academy in 2024.
Although Bullis trailed by a narrow margin after the first leg, they quickly took control of the race. Tatum Lynn led off with a solid 55.57, placing her team in second but only 0.4 seconds behind the leader. Kennedy Brown followed with an impressive 53.30, pushing Bullis into the lead by 1 second at the 800m mark. Morgan Rothwell extended the lead to 3 seconds with a strong 53.70 third leg, and Sydney Sutton, anchoring with the fastest split of 52.96, sealed the victory. By the time she crossed the finish line, Bullis had built a commanding 7-second advantage over the runner-up.
All-Time Girls Indoor 4x400m Times
| Place | Team | Time | Year |
| 1 | Bullis | 3:35.54 | 2025 |
| 2 | Montverde Academy | 3:37.63 | 2024 |
| 3 | Long Beach Poly | 3:38.91 | 2004 |
| 4 | Bullis | 3:39.60 | 2018 |
| 5 | Bullis | 3:39.70 | 2017 |
This historic relay performance not only earned them the top spot but also solidified their place as the first high school team ever to break 3:36 indoors. Their total team effort, with splits of 55.57, 53.30, 53.70, and 52.96, exemplified the depth, speed, and determination that led to one of the most dominant victories in high school track and field history.