- Boys 800 M
- 12 Advance: Top 2 Each Heat plus Next 4 Best Times
- Heat 1 Prelims
- 1Moreno, Brandon (12)Jesuit
- 2Kirby, Kellen (11)Bella Vista
- 3Sorci, Daniel (12)Atwater
- 4Dolan, Beckett (10)Davis
- 5Laverty, Asher (10)Woodcreek
- 6Ledezma-Perez, Cristian (12)Golden Valley
- Heat 2 Prelims
- 1Reynolds, Jonah (11)Jesuit
- 2Martin, Ryan (12)River City
- 3Mertz, Keith (12)Lincoln-S
- 4Guitron, Raul (11)El Capitan
- 5Rounds, Sam (10)McClatchy
- 6Martin, GrahamWestern Sierra
- Heat 3 Prelims
- 1Overgaard, Jeffrey (11)Lincoln-S
- 2Campora, Braidon (11)El Dorado
- 3Whittle, Winter (12)Bret Harte
- 4McCoy, William (12)Laguna Creek
- 5Mason, Jake (11)River City
- 6Cheruiyot, Donavan (12)Vacaville
- Heat 4 Prelims
- 1Lighthall, Joseph (12)Hughson
- 2Tam, Lucas (11)Davis
- 3Delgadillo, Mateo (12)Whitney
- 4Fackert, Brian (12)Davis
- 5Cavanaugh, Caleb (12)Oakdale
- 6Rommelfanger, Cole (12)Del Campo
- 7Fitzpatrick, Devin (11)Ripon