- Boys 300 M Hurdles
- 8 Advance: Top 1 Each Heat plus Next 4 Best Times
- Heat 1 Prelims
- 2Goodwin, Jayden (10)Antelope
- 3King, Preston (12)Will C Wood
- 4Dahdouh, Stephen (12)Pleasant Grove
- 5Hall, Kyle (12)Rocklin
- 6Gross, Blake (12)Beyer
- 7Shaw, Brett (10)Ripon
- Heat 2 Prelims
- 2Carter, Asante (11)St Mary's
- 3Ybarra, Seneca (10)Atwater
- 4Siga, Adonis (11)Lathrop
- 5Johnson, Zillion (11)Gregori
- 6Frazier, Samuel (10)Weston Ranch
- 7Carreiro, Mark (12)Los Banos
- Heat 3 Prelims
- 2Silva, Emiliano (12)Kennedy (Sac)
- 3Gonzales, Joshua (12)Woodcreek
- 4Marshall, Donovan (11)Merced
- 5Granite DaPrato, Cody (12)River City
- 6McHale, Matthew (10)Pleasant Grove
- 7Oldham, Alex (11)Davis
- Heat 4 Prelims
- 2Kelley, Baylor (10)Placer
- 3Guthrie, Cameron (11)Oakdale
- 4Williams, Cameron (11)Merrill West
- 5Cebrero, Leonardo (12)Atwater
- 6Paris, Davion (12)Rosemont
- 7Galvez, Zach (11)Lincoln-S
- 8Murray, Ricky (10)Folsom