| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 46.72 | Jaye, Ty (2015) (Piedmont, NC) (US#17) | NC 3A State Meet(NC), 2015-05-08(#1) |
| B-400 | 2 | 47.83 | love-soles, kaylan (2015) (Rocky River, NC) (US#87) | NC 4A West Region(NC), 2015-05-02(#1) |
| B-400 | 3 | 47.96 | Dula, Kymani (2016) (Southern Alamance, NC) | NB Outdoor Nationals - Emerging Elites(NC), 2015-06-21(#1) |
| B-400 | 4 | 48.13 | Sawyers, Chantz (99) (Greensboro Day, NC) | AAU Junior Olympics National Championships 15-16(VA), 2015-08-08(#3) |
| | | National Elites above. State Elites below | | |
| B-400 | 5 | 48.38 | Cobb, Kokayi (2017) (Asheville School, NC) | NCRunners / SCRunners Elite Tune-Up(NC), 2015-06-06(#1) |
| B-400 | 6 | 48.48 | Washington-Saunders, Cha (2015) (Ronald Reagan, NC) | Marvin Ridge Invitational(NC), 2015-03-21(#2) |
| B-400 | 7 | 48.54 | Washington-Saun, Chace (2015) (Ronald Reagan, NC) | NC 4A Midwest Region(NC), 2015-05-02(#2) |
| B-400 | 8 | 48.55 | Bleichner, Tom (2015) (Fuquay-Varina, NC) | USATF JO Region 3 Qualifier(VA), 2015-07-12(#1) |
| B-400 | 9 | 48.59 | Woods, Elijah (2015) (West Carteret, NC) | NC 3A State Meet(NC), 2015-05-08(#2) |
| B-400 | 10 | 48.64 | Ottey, Aurelio (2015) (Southwest Onslow, NC) | NC 2A State Meet(NC), 2015-05-16(#1) |
| B-400 | 11 | 48.67 | Peebles, Dylan (2016) (Wakefield, NC) | NCRunners / SCRunners Elite Tune-Up(NC), 2015-06-06(#2) |
| B-400 | 12 | 48.71 | Hernandez, Austin (2015) (Concord, NC) | NC 3A State Meet(NC), 2015-05-08(#3) |
| B-400 | 13 | 48.78 | Robbins-Lockhart, Ty Jay (Piedmont, NC) | NCRunners Elite Invitational(NC), 2015-04-04(#1) |
| B-400 | 14 | 48.87 | Woodard, Jayon (2016) (Southeast Raleigh, NC) | Wake County Championship(NC), 2015-04-11(#1) |
| B-400 | 15 | 48.89 | Dowdy, Junpai (2016) (South Mecklenburg, NC) | USATF Junior Olympics National Championships 17-18(FL), 2015-08-02(#16) |
| B-400 | 16 | 48.95 | Washington-Saunder, Chace (2015) (Ronald Reagan, NC) | NC 4A State Meet(NC), 2015-05-09(#2) |
| B-400 | 16 | 48.95 | Andrade, Dylan (2015) (Forbush, NC) | NB Outdoor Nationals - Emerging Elites(NC), 2015-06-21(#10) |
| B-400 | 18 | 48.97 | Ridley, Quincy (2015) (Overhills, NC) | NC 4A East Region(NC), 2015-05-02(#1) |
| B-400 | 19 | 48.99 | Graise, Larenzo (2016) (Parkland, NC) | NC 4A Midwest Region(NC), 2015-05-02(#3) |
| B-400 | 20 | 49.14 | Bleicher, Tj (2015) (Fuquay-Varina, NC) | NC 4A State Meet(NC), 2015-05-09(#4) |
| B-400 | 21 | 49.16 | Huntley, Tyrek (2016) (Porter Ridge, NC) | Marvin Ridge Invitational(NC), 2015-03-21(#3) |
| B-400 | 22 | 49.17 | Hammonds, Garrett (2015) (Purnell Swett, NC) | NC 4A East Region(NC), 2015-05-02(#2) |
| B-400 | 23 | 49.21 | Thompson, Corey (2015) (East Gaston, NC) | Shelby Boys Invitational(NC), 2015-04-01(#1) |
| B-400 | 24 | 49.28 | Shannon, Cedric (2016) (Northeastern, NC) | NC 2A State Meet(NC), 2015-05-16(#2) |
| B-400 | 25 | 49.33 | Green, Erran (2015) (Richmond, NC) | NC 4A East Region(NC), 2015-05-02(#3) |
| B-400 | 26 | 49.44 | Drew, Noah (2015) (C E Jordan, NC) | NC 4A Midwest Region(NC), 2015-05-02(#4) |
| B-400 | 27 | 49.49 | Foreman, Diamonte (2015) (North Pitt, NC) | NC 2A State Meet(NC), 2015-05-16(#3) |
| B-400 | 28 | 49.52 | Fulmore, Kendall (2015) (Lucy Ragsdale, NC) | Guilford County Championships(NC), 2015-04-18(#1) |
| B-400 | 28 | 49.52 | Brown, Dyami (03) (Unattached, NC) | USATF Junior Olympics National Championships 15-16(FL), 2015-08-02(#8) |
| B-400 | 30 | 49.55 | Mason, Maurice (2015) (John M Morehead, NC) | NC 3A State Meet(NC), 2015-05-08(#4) |
| B-400 | 31 | 49.60 | Dudley, Jason (2015) (West Carteret, NC) | NC 3A East Region(NC), 2015-05-02(#1) |
| B-400 | 32 | 49.62 | Kilumbu, Jojo (2015) (Mallard Creek, NC) | NC 4A State Meet(NC), 2015-05-09(#5) |
| B-400 | 33 | 49.66 | Sanders, Jaylon (2016) (West Rowan, NC) | NC 3A State Meet(NC), 2015-05-08(#5) |
| B-400 | 34 | 49.68 | Perkins, William (2015) (Berry Academy, NC) | So-Meck 8 Championships(NC), 2015-04-22(#1) |
| B-400 | 35 | 49.70 | Ellis, Terrace (2015) (Albemarle, NC) | NC 1A State Meet(NC), 2015-05-15(#1) |
| B-400 | 36 | 49.72 | Barnes, Zach (2016) (Rosewood, NC) | NC 1A State Meet(NC), 2015-05-15(#2) |
| B-400 | 37 | 49.78 | Devaughn, Amari (2015) (Southern Guilford, NC) | NC 2A State Meet(NC), 2015-05-16(#4) |
| B-400 | 38 | 49.79 | Hoffman, William (2017) (Green Hope, NC) | NC 4A Mideast Region(NC), 2015-05-02(#3) |
| B-400 | 39 | 49.88 | Rodgers, Travis (2016) (Jay M Robinson, NC) | NC 4A West Region(NC), 2015-05-02(#4) |
| B-400 | 40 | 49.92 | Torian, Jaquez (17) (Jack Britt, NC) | NC 4A State Meet(NC), 2015-05-09(#9) |
| B-400 | 41 | 49.93 | Evans, Aaron (2016) (Marvin Ridge, NC) | NC 3A State Meet(NC), 2015-05-08(#6) |
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