- Boys 400 M Dash
- 8 Advance: Top 1 Each Heat plus Next 5 Best Times
- Heat 1 Prelims
- 2Fiori, Nathan (11)Vista Del Lago53.11
- 3Williams, Jace (11)Merced/CCC/352.01
- 4Sutton, Jeremiah (12)Vanden/MEL/350.49
- 5Burke, Cameron (12)Oakdale/VOL/350.60
- 6Valdivia, Kevin (12)Wood/MEL/352.08
- 7Correa, David (12)Sierra/VOL/353.22
- Heat 2 Prelims
- 1Miehe, Jacob (10)Ponderosa/FVL/353.61
- 2Warren, Dhameer (12)Merced/CCC/353.04
- 3Jones, Dakota (10)Christian Bros51.68
- 4Ureta, Kyle (11)Vista Del Lago50.46
- 5Edwards, James (10)Lincoln-L/FVL/350.74
- 6Horne, Jaxon (10)Nevada Union/FVL52.29
- 7Jauregui, Sebastian (12)Central Catholic53.35
- Heat 3 Prelims
- 1Barnett, Pierce (11)Rodriguez/MEL/353.48
- 2Moyler, John (11)Vanden/MEL/352.97
- 3Knight, Nathan (11)Atwater/CCC/351.51
- 4Matthews, Brian (12)El Capitan/CCC50.05
- 5Arthur, Isaac (12)El Camino/CAL/351.24
- 6Grisel, Jack (10)Central Catholic52.96
- 7Bodwell, Nick (10)Placer/FVL/353.44