| Event | Rank | Mark | By | Meet |
| B-300H | 1 | 37.19 | Morris, Marquis (2014) (De La Salle, CA) (US#22) | EBAL Championships(CA), 2013-05-11(#1) |
| B-300H | 2 | 37.45 | Peters, Sam (2013) (Amador Valley, CA) (US#36) | CIF State Finals(CA), 2013-06-01(#2) |
| B-300H | 3 | 37.87 | Doss, Jalen (2014) (Hercules, CA) (US#76) | CIF-NCS Meet of Champions (Finals)(CA), 2013-05-25(#1) |
| B-300H | 4 | 37.95 | Hamlin, Lavalle (2013) (Deer Valley, CA) (US#85) | CIF State Prelims(CA), 2013-05-31(#4) |
| | | National Elites above. State Elites below | | |
| B-300H | 5 | 39.45 | Kiles, August (2014) (Tamalpais, CA) | CIF-NCS Redwood Empire Area Championships(CA), 2013-05-18(#1) |
| B-300H | 6 | 39.51 | Netherda, Alex (2015) (Maria Carrillo, CA) | CIF-NCS Meet of Champions (Prelims)(CA), 2013-05-24(#4) |
| B-300H | 7 | 39.81 | Speck, Connor (2013) (Las Lomas, CA) | CIF-NCS Meet of Champions (Prelims)(CA), 2013-05-24(#5) |
| B-300H | 8 | 39.90 | Jorgensen, Brendon (2013) (Emery, CA) | UT 2A State Champs(UT), 2013-05-18(#1) |
| B-300H | 9 | 40.32 | Bazile, Courtney (2013) (San Leandro, CA) | Bishop O'Dowd vs. San Leandro(CA), 2013-04-25(#1) |
| B-300H | 10 | 40.42 | Tyler, Colton (2013) (Monte Vista, CA) | CIF-NCS Meet of Champions (Prelims)(CA), 2013-05-24(#6) |
| B-300H | 11 | 40.48 | Maggioncalda, Greg (2013) (Sonoma Academy, CA) | CIF-NCS Meet of Champions (Finals)(CA), 2013-05-25(#6) |
| B-300H | 12 | 40.50 | Runanin-Telle, Ari (2014) (Sir Francis Drake, CA) | CIF-NCS Redwood Empire Area Championships(CA), 2013-05-18(#3) |
| B-300H | 13 | 40.60 | Portillo, Carlos (2013) (Fort Bragg, CA) | CIF-NCS Class A Meet(CA), 2013-05-18(#1) |
| B-300H | 14 | 40.63 | Marcotte, Michael (2013) (De La Salle, CA) | CIF-NCS Tri-Valley Area Meet(CA), 2013-05-18(#5) |
| B-300H | 15 | 40.65 | King, Kevin (2013) (Bishop O'Dowd, CA) | CIF-NCS Bay Shore Area Meet(CA), 2013-05-18(#2) |
| B-300H | 16 | 40.80 | Knight, Zach (2013) (Tamalpais, CA) | K-Bell Invitational(CA), 2013-03-09(#2) |
| B-300H | 17 | 40.95 | Robinson, Ja'Vion (2014) (St. Mary's College, CA) | CIF-NCS Bay Shore Area Meet(CA), 2013-05-18(#3) |
| B-300H | 18 | 40.97 | Griffith, David (2014) (San Ramon Valley, CA) | CIF-NCS Tri-Valley Area Meet(CA), 2013-05-18(#7) |
| B-300H | 19 | 41.15 | Zaidi, Tayeb (2013) (Lick Wilmerding, CA) | CIF-NCS Class A Meet(CA), 2013-05-18(#2) |
| B-300H | 20 | 41.26 | Celeri, Connor (2014) (Piner, CA) | Sonoma County League Championsips(CA), 2013-05-11(#2) |
| B-300H | 21 | 41.27 | Schneider, Mike (Northgate, CA) | CIF-NCS Tri-Valley Area Meet(CA), 2013-05-18(#8) |
| B-300H | 22 | 41.50 | Ross, Colton (2013) (Fortuna, CA) | Humboldt Del-Norte County Finals(CA), 2013-05-10(#1) |
| B-300H | 23 | 41.55 | Mandich, Ryan (2015) (Northgate, CA) | CIF-NCS Tri-Valley Area Meet(CA), 2013-05-18(#9) |
| B-300H | 24 | 41.59 | Carrington-Scott, Austin (2014) (Bishop O'Dowd, CA) | WACC League Finals(CA), 2013-05-11(#2) |
| B-300H | 25 | 41.60 | Ja'Vion, Robinson (2014) (St. Mary's College, CA) | West Coast Relays(CA), 2013-04-13(#-9) |
| B-300H | 26 | 41.63 | Chan, Michael (Stuart Hall, CA) | CCS Top 8 Classic(CA), 2013-04-19(#2) |
| B-300H | 27 | 41.64 | Ewing, Parker (Clayton Valley, CA) | CIF-NCS Tri-Valley Area Meet(CA), 2013-05-18(#10) |
| B-300H | 28 | 41.67 | Poteracke, Kevin (2013) (Petaluma, CA) | Sonoma County League Championsips(CA), 2013-05-11(#3) |
| B-300H | 29 | 41.92 | Chiba, Taiki (2014) (Acalanes, CA) | CIF-NCS Tri-Valley Area Meet(CA), 2013-05-18(#11) |
| B-300H | 30 | 41.96 | Shin, Paul (2013) (San Marin, CA) | CIF-NCS Redwood Empire Area Championships(CA), 2013-05-18(#7) |
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| | | See more performances for B-300H | | |
