#2 Men's & Women's 400 Meters Start List
| Lane |
Athlete |
Team |
Seed |
| 1 |
Fisher, Soren |
Unattached |
NT |
| 2 |
Smith, Emma |
Unattached |
NT |
| 3 |
Molina, Marissa |
Unattached |
NT |
| 4 |
Calvert, Tristan |
Unattached |
NT |
| 5 |
Beam, Cole |
Unattached |
NT |
| 6 |
Harrington, Dana |
Unattached |
NT |
| 7 |
Miller, Lucy |
Unattached |
NT |
| 8 |
Nicholas, Alessa |
Unattached |
NT |
| 9 |
Morrison, Easton |
Unattached |
NT |
| 10 |
Harrington, Julia |
Unattached |
NT |
| 11 |
McConnell, Anna |
Unattached |
NT |
| 12 |
Maio, Charlotte |
Unattached |
NT |
| 13 |
Nicholas, Cecilia |
Unattached |
NT |
| 14 |
Smith, Ryan |
Unattached |
NT |
| 15 |
Moffitt, Nathan |
Unattached |
NT |
| 16 |
McConnell, Lucy |
Unattached |
NT |
| 17 |
Manavi, Damian |
Unattached |
NT |
| 18 |
Grafje, Charlotte |
Unattached |
NT |
| 19 |
Herley, Luke |
Unattached |
NT |
| 20 |
Herley, Charlotte |
Unattached |
NT |
| 21 |
Edwards, Gavin |
Unattached |
NT |
| 22 |
Edwards, Jack |
Unattached |
NT |
| 23 |
Edwards, Julie |
Unattached |
NT |
| 24 |
Davila, Katalina |
Unattached |
NT |
| 25 |
Vannote, Hudson |
Unattached |
NT |
| 26 |
Burns, Lincolin |
Unattached |
NT |
| 27 |
Cohen, Jax |
Unattached |
NT |