| Event | Rank | Mark | By | Meet |
| B-300H | 1 | 37.23 | Corley, Austin (2015) (Adrian, MO) (US#27) | MO Class 2 Sectional 3(MO), 2015-05-16(#1) |
| B-300H | 2 | 37.89 | Madison, Andrew (2015) (Liberty North, MO) (US#91) | Gary Parker Invitational(MO), 2015-04-23(#1) |
| B-300H | 3 | 37.99 | Hall, Quincy (2016) (Raytown South, MO) | Gary Parker Invitational(MO), 2015-04-23(#2) |
| | | National Elites above. State Elites below | | |
| B-300H | 4 | 38.67 | Gayfield, Thaj (2015) (Marquette, MO) | Corey Siebert Invitational(MO), 2015-04-18(#2) |
| B-300H | 5 | 38.69 | Jackson, Jordan (2015) (Lee's Summit North, MO) | Gary Parker Invitational(MO), 2015-04-23(#3) |
| B-300H | 6 | 38.73 | Kendall, Maliek (2016) (Grandview, MO) | Gary Parker Invitational(MO), 2015-04-23(#4) |
| B-300H | 7 | 38.87 | Leonard, Tommy (2015) (Eureka, MO) | MO Class 5 Sectional 1 (MO), 2015-05-23(#1) |
| B-300H | 8 | 38.91 | Isom, Daniel (2016) (St. Louis University, MO) | MO Class 5 Sectional 1 (MO), 2015-05-23(#2) |
| B-300H | 9 | 38.94 | Cauveren, Savion (2016) (Blue Springs South, MO) | MO Class 5 Sectional 3(MO), 2015-05-23(#2) |
| B-300H | 10 | 39.25 | Ramsey, Darius (2017) (Parkway Central, MO) | MO Class 4 District 4(MO), 2015-05-16(#1) |
| B-300H | 11 | 39.41 | Clark, Tuvone (2015) (Mccluer South-Berkeley, MO) | Marion Freeman Invitational(MO), 2015-05-02(#1) |
| B-300H | 12 | 39.55 | McCrary, Zakary (2015) (Ft. Zumwalt South, MO) | Mark Twain/Becky Thatcher Relays(MO), 2015-05-01(#1) |
| B-300H | 13 | 39.57 | Roggenburg, Christopher (2016) (Lafayette, MO) | MO Class 5 Sectional 1 (MO), 2015-05-23(#4) |
| B-300H | 14 | 39.80 | Dowler, Devon (2015) (Owensville, MO) | MO Class 3 District 5(MO), 2015-05-16(#1) |
| B-300H | 15 | 39.84 | Pieper, Andrew (2015) (Columbia-Hickman, MO) | MO Class 5 Sectional 3(MO), 2015-05-23(#3) |
| B-300H | 16 | 39.91 | Blane, Christian (2016) (Hannibal, MO) | MO Class 4 Sectional 2(MO), 2015-05-23(#2) |
| B-300H | 17 | 40.03 | Willis, Jaslon (2015) (Belton, MO) | MO Class 4 Sectional 4(MO), 2015-05-23(#3) |
| B-300H | 18 | 40.04 | Potter, Christopher (2016) (Parkway North, MO) | MO Class 5 Sectional 2(MO), 2015-05-23(#1) |
| B-300H | 19 | 40.05 | Cary, Hunter (2015) (Desoto, MO) | MO Class 4 District 1(MO), 2015-05-16(#1) |
| B-300H | 20 | 40.07 | Johnson, Marcus (2015) (Nixa, MO) | MO Class 5 Sectional 3(MO), 2015-05-23(#4) |
| B-300H | 21 | 40.08 | Reed, Aliek (2015) (Platte County, MO) | MO Class 4 Sectional 4(MO), 2015-05-23(#4) |
| B-300H | 22 | 40.11 | Moreno, Christian (2017) (Lee's Summit, MO) | Gary Parker Invitational(MO), 2015-04-23(#6) |
| B-300H | 23 | 40.16 | Billington, Trevon (2015) (Soldan International Studies, MO) | MO Class 3 Sectional 1(MO), 2015-05-23(#1) |
| B-300H | 24 | 40.19 | McCrary, Zac (2015) (Ft. Zumwalt South, MO) | Kansas Relays(KS), 2015-04-17(#8) |
| B-300H | 25 | 40.23 | Roglon, Josh (2015) (St. Charles, MO) | MO Class 4 Sectional 2(MO), 2015-05-23(#4) |
| B-300H | 26 | 40.31 | Haskin, Josh (2016) (McCluer, MO) | MO Class 4 Sectional 2(MO), 2015-05-23(#5) |
| B-300H | 27 | 40.47 | Hargrove, Sterling (2016) (Lincoln College Prep., MO) | MO Class 3 Sectional 4(MO), 2015-05-23(#1) |
| B-300H | 28 | 40.51 | Ferguson-Cooper, Chaaz (2016) (Rock Bridge, MO) | MO Class 5 Sectional 3(MO), 2015-05-23(#5) |
| B-300H | 29 | 40.53 | Deadmond, Nathan (2016) (Webb City, MO) | MO Class 4 Sectional 3(MO), 2015-05-23(#1) |
| B-300H | 30 | 40.56 | Martin, Isaiah (2018) (Hillsboro, MO) | MO Class 4 Sectional 1(MO), 2015-05-23(#2) |
| B-300H | 31 | 40.63 | Watts, Brandon (2016) (Ash Grove, MO) | MO Class 2 Sectional 3(MO), 2015-05-16(#2) |
| B-300H | 32 | 40.65 | Smith, Ronald (2016) (John Burroughs, MO) | MO Class 3 District 2(MO), 2015-05-16(#2) |
| B-300H | 33 | 40.68 | Kenney, Seyvon (2015) (Ritenour, MO) | MO Class 5 District 3(MO), 2015-05-16(#2) |
| B-300H | 34 | 40.70 | Walker, Deondre (2016) (University City, MO) | MO Class 4 Sectional 2(MO), 2015-05-23(#6) |
| B-300H | 35 | 40.79 | Norton, Dylan (2015) (California, MO) | MO Class 3 Sectional 4(MO), 2015-05-23(#2) |
| B-300H | 36 | 40.80 | Keely, Elijah (2015) (Francis Howell North, MO) | MO Class 5 Sectional 2(MO), 2015-05-23(#2) |
| B-300H | 37 | 40.81 | Crowden, Ty (2015) (Jackson, MO) | MO Class 5 District 1(MO), 2015-05-16(#2) |
| B-300H | 38 | 40.82 | Shinn, Levi (2016) (Eldon, MO) | Capital City Relays(MO), 2015-04-18(#2) |
| B-300H | 39 | 40.84 | Woods, Brandon (2015) (Florissant, MO) | Great Southwest Classic(NM), 2015-06-06(#21) |
| B-300H | 40 | 40.93 | Ellis, Dustin (2015) (Stanberry, MO) | MO Class 1 Sectional 4(MO), 2015-05-16(#1) |
| B-300H | 41 | 40.95 | Heath, Bradley (2016) (Green City, MO) | Kirksville Invitational(MO), 2015-04-17(#1) |
| B-300H | 42 | 40.96 | Watson, Walter (2015) (Raytown, MO) | Rusty Hodge Invitational(MO), 2015-04-02(#4) |
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| | | See more performances for B-300H | | |
