CURRENT AS OF 5/24/2023
INDOOR 400 METER DASH
| TOP 10 PERFORMANCES | ||||
| By athlete’s PR each season | ||||
| 1. | 57.22 FAT | Mackenzie Michael | 2020 | |
| 2. | 1:00.19 FAT | Shawn Shaddox | 2006 | |
| 1:00.24 * | Mackenzie Michael | 2019 | ||
| 3. | 1:00.26 FAT | Brianna King | 2012 | |
| 4. | 1:00.32 FAT | Liz Bradfield | 2004 | |
| 5. | 1:00.87 FAT | Auriona Kimbrough | 2019 | |
| 6. | 1:01.49 FAT | Sydney Stokes | 2020 | |
| 7. | 1:01.84 * | Deb TeSlaa | 1988 | |
| 8. | 1:02.04 * | Brianne Hutchins | 2006 | |
| 1:02.04 * | Shawn Shaddox | 2005 | ||
| 1:02.15 FAT | Auriona Kimbrough | 2018 | ||
| 9. | 1:02.16 FAT | Josee Simonson | 2023 | |
| 1:02.22 FAT | Auriona Kimbrough | 2017 | ||
| 10. | 1:02.56 FAT | Cassie Crotty | 2010 |
* — Converted from Manual Time to Fully Automatic (.24 for races 300 meters and below, .14 for races above)
FAT — Fully Automatic Time