| Event | Rank | Mark | By | Meet |
| G-400 | 1 | 54.14 | Sam, Martha (2015) (James Hubert Blake, MD) (US#24) | NB Outdoor Nationals(NC), 2015-06-21(#8) |
| G-400 | 2 | 54.98 | Williams, Taylor (2015) (Bowie, MD) (US#77) | MD 4A South Regional(MD), 2015-05-16(#1) |
| G-400 | 3 | 55.15 | Hinton, Cameron (2018) (Maryvale Prep, MD) (US#90) | AAU Junior Olympics National Championships 15-16(VA), 2015-08-08(#3) |
| G-400 | 4 | 55.70 | Moore, Sarah (2015) (James Hubert Blake, MD) | MD 4A North Regional(MD), 2015-05-16(#2) |
| G-400 | 5 | 55.84 | Meekins, Micah (2016) (Marriotts Ridge, MD) | NB Outdoor Nationals - Emerging Elites(NC), 2015-06-21(#3) |
| G-400 | 6 | 55.88 | Williams, Taylor (2015) (Mount Hebron, MD) | NB Outdoor Nationals(NC), 2015-06-21(#23) |
| G-400 | 7 | 56.07 | Freeman, Dnia (2016) (Riverdale Baptist, MD) | Riverside Baptist Invitational(MD), 2015-04-18(#3) |
| | | National Elites above. State Elites below | | |
| G-400 | 8 | 56.23 | Russell, Masai (2018) (Bullis, MD) | NB Outdoor Nationals - Freshman(NC), 2015-06-20(#3) |
| G-400 | 9 | 56.25 | Sharp, Aliya (2015) (Milford Mill Academy, MD) | MD 3A North Regional(MD), 2015-05-16(#1) |
| G-400 | 10 | 56.39 | Jeffery, Dominique (2018) (Henry E. Lackey, MD) | SMAC Championship(MD), 2015-05-09(#1) |
| G-400 | 11 | 56.43 | Mcneil, Nyjari (2018) (Franklin, MD) | MD 3A North Regional(MD), 2015-05-16(#2) |
| G-400 | 12 | 56.93 | Glossinger, Allison (2015) (McDonogh, MD) | McNamara Mustang Invitational(MD), 2015-04-18(#2) |
| G-400 | 13 | 57.09 | campbell, kemoni (2016) (Eleanor Roosevelt, MD) | MD 4A South Regional(MD), 2015-05-16(#2) |
| G-400 | 14 | 57.27 | Fowlkes, Leah (2016) (Bishop Mcnamara, MD) | TC Williams Invitational(VA), 2015-05-02(#1) |
| G-400 | 15 | 57.30 | Jones, Kaela (2015) (James Hubert Blake, MD) | MD 4A North Regional(MD), 2015-05-16(#3) |
| G-400 | 16 | 57.35 | Crawford, Nina (2016) (Elizabeth Seton, MD) | Riverside Baptist Invitational(MD), 2015-04-18(#4) |
| G-400 | 17 | 57.45 | Smith, Mallorie (2017) (North Point, MD) | MD 4A East Regional(MD), 2015-05-16(#1) |
| G-400 | 18 | 57.54 | Clemence, Lorina (2016) (Leonardtown, MD) | MD 4A East Regional(MD), 2015-05-16(#2) |
| G-400 | 19 | 57.58 | Onwukwe, Obichi (2015) (Parkdale, MD) | MD 4A South Regional(MD), 2015-05-16(#3) |
| G-400 | 20 | 57.60 | Walker, Nia (2015) (Eleanor Roosevelt, MD) | MD 4A South Regional(MD), 2015-05-16(#4) |
| G-400 | 21 | 57.71 | Wallace, Eriell (2015) (Digital Harbor, MD) | MD 3A State Meet(MD), 2015-05-23(#4) |
| G-400 | 22 | 57.72 | Woode, Denise (2016) (Damascus, MD) | MD 3A State Meet(MD), 2015-05-23(#5) |
| G-400 | 23 | 57.88 | James, Alexis (2016) (Elizabeth Seton, MD) | Victor Cahoon Classic(VA), 2015-05-09(#4) |
| G-400 | 24 | 57.90 | Woods, Tiffany (2015) (Sherwood, MD) | MD 4A North Regional(MD), 2015-05-16(#4) |
| G-400 | 25 | 57.94 | Haidara, Felicia (2016) (Bowie, MD) | MD 4A South Regional(MD), 2015-05-16(#5) |
| G-400 | 26 | 57.97 | Tucker, Kayla (2015) (Riverdale Baptist, MD) | MD 4A South Regional(MD), 2015-05-16(#6) |
| G-400 | 27 | 58.03 | Rishell, Alyssa (2016) (Watkins Mill, MD) | MD 3A West Regional (MD), 2015-05-14(#1) |
| G-400 | 28 | 58.08 | Johnson, T'Reyah (2016) (Elizabeth Seton, MD) | Taco Bell Classic(SC), 2015-04-11(#15) |
| G-400 | 29 | 58.15 | Farley, Jamie (2015) (Oakdale, MD) | MD 2A West Regional(MD), 2015-05-16(#1) |
| G-400 | 30 | 58.25 | Williams, Kyaja (2016) (Western, MD) | MD 4A North Regional(MD), 2015-05-16(#5) |
| G-400 | 31 | 58.27 | Williams, Alexus (2015) (Charles Herbert Flowers, MD) | Largo Lions Invitational(MD), 2015-04-02(#2) |
| G-400 | 31 | 58.27 | Greene, Kathryn (2018) (Milford Mill Academy, MD) | MD 3A North Regional(MD), 2015-05-16(#3) |
| G-400 | 33 | 58.28 | Hooper, Clarke (2015) (Huntingtown, MD) | SMAC Championship(MD), 2015-05-09(#3) |
| G-400 | 34 | 58.31 | Maizel, Rachel (2016) (Thomas S. Wootton, MD) | MD 4A West Regional(MD), 2015-05-14(#1) |
| G-400 | 35 | 58.33 | White, Harleigh (2017) (Huntingtown, MD) | SMAC Championship(MD), 2015-05-09(#4) |
| G-400 | 36 | 58.37 | Sanusi, Omolola (2017) (Seneca Valley, MD) | Oxon Hill Clipper Classic(MD), 2015-04-18(#1) |
| G-400 | 37 | 58.44 | Herman, Jasmine (2016) (Catoctin, MD) | MD 2A West Regional(MD), 2015-05-16(#2) |
| G-400 | 38 | 58.48 | Robinson, Kita (2015) (Dulaney, MD) | Katie Jenkins Invitational(MD), 2015-05-02(#1) |
| G-400 | 39 | 58.49 | Blake, Camryn (2017) (Tuscarora, MD) | Frederick County Championships(MD), 2015-05-06(#2) |
| G-400 | 40 | 58.55 | Mcdowell, Valencia (2016) (North Point, MD) | McNamara Mustang Invitational(MD), 2015-04-18(#6) |
| G-400 | 40 | 58.55 | Robinson, Brandi (2015) (Oxon Hill, MD) | Oxon Hill Clipper Classic(MD), 2015-04-18(#2) |
| G-400 | 42 | 58.56 | Dombrowski, Cheryl (2015) (Mount Hebron, MD) | MD 3A State Meet(MD), 2015-05-23(#7) |
| G-400 | 42 | 58.56 | Harper, Camryn (2018) (Boonsboro, MD) | MD 2A West Regional(MD), 2015-05-16(#3) |
| G-400 | 44 | 58.61 | Mclane, Mariah (2015) (Seneca Valley, MD) | MD 3A West Regional (MD), 2015-05-14(#3) |
| G-400 | 45 | 58.62 | Zietowski, Evelyn (2016) (Liberty, MD) | MD 2A West Regional(MD), 2015-05-16(#4) |
| G-400 | 46 | 58.70 | Craig, Cecilia (2015) (Mount de Sales, MD) | MIAA/IAAM Championships(MD), 2015-05-05(#3) |
| G-400 | 47 | 58.71 | Zolkiewicz, Allison (2018) (South Carroll, MD) | MD 2A State Meet(MD), 2015-05-23(#2) |
| G-400 | 48 | 58.74 | Coleman, Cayla (2015) (Largo, MD) | MD 2A South Regional(MD), 2015-05-16(#2) |
| G-400 | 49 | 58.99 | Bullock, Kendrah (2016) (North Point, MD) | Waldorf Classic(MD), 2015-04-11(#3) |
| G-400 | 50 | 59.09 | Woods, Lauren (2015) (Sherwood, MD) | MD 4A North Regional(MD), 2015-05-16(#6) |
| G-400 | 50 | 59.09 | Jules, Teanna (2016) (Howard, MD) | Howard County Championships(MD), 2015-05-05(#3) |
| G-400 | 52 | 59.11 | Wright, Reyna (2015) (Walt Whitman, MD) | MD 4A West Regional(MD), 2015-05-14(#2) |
| G-400 | 53 | 59.18 | Ike, Oluche (2016) (Charles Herbert Flowers, MD) | MD 4A South Regional(MD), 2015-05-16(#9) |
| G-400 | 54 | 59.19 | Halaby, Gabby (Maryvale Prep, MD) | MIAA/IAAM Championships(MD), 2015-05-05(#4) |
| G-400 | 55 | 59.23 | Weaver, Senait (2015) (Pikesville, MD) | MD 1A State Meet(MD), 2015-05-23(#1) |
| G-400 | 56 | 59.25 | Pocratsky, Rachel (2015) (Our Lady of Good Counsel, MD) | New Town Class of the Titans(MD), 2015-05-02(#1) |
| G-400 | 57 | 59.28 | Moseley, Ciara (2015) (Milford Mill Academy, MD) | McNamara Mustang Invitational(MD), 2015-04-18(#9) |
| G-400 | 58 | 59.33 | Ubah, Cynthia (2016) (Duval, MD) | MD 4A South Regional(MD), 2015-05-16(#10) |
| G-400 | 58 | 59.33 | Ligons, Kailene (2016) (Westlake, MD) | MD 3A South Regional(MD), 2015-05-16(#3) |
| G-400 | 60 | 59.37 | Gorman, Kaliyah (2015) (Huntingtown, MD) | Seahawk Invitational(MD), 2015-03-21(#1) |
| G-400 | 61 | 59.49 | Hoskins, Ivonna (2017) (Baltimore City College, MD) | MD 3A East Regional(MD), 2015-05-16(#2) |
| G-400 | 62 | 59.52 | Abdelmomin, Sahee (2015) (Damascus, MD) | MD 3A West Regional (MD), 2015-05-14(#5) |
| G-400 | 63 | 59.56 | Dantzler, Jasmine (2018) (Bishop Mcnamara, MD) | Largo Lions Invitational(MD), 2015-04-02(#2) |
| G-400 | 64 | 59.61 | Daniels, Lauryn (2018) (Smithsburg, MD) | MD 1A State Meet(MD), 2015-05-23(#2) |
| G-400 | 65 | 59.66 | Lewis, Vanna (98) (Arundel, MD) | MD 4A State Meet(MD), 2015-05-23(#12) |
| G-400 | 66 | 59.68 | Johnson, Malana (2017) (Elizabeth Seton, MD) | McNamara Mustang Invitational(MD), 2015-04-18(#11) |
| G-400 | 67 | 59.77 | Fowler, Lena (2015) (Our Lady of Good Counsel, MD) | McNamara Mustang Invitational(MD), 2015-04-18(#12) |
| G-400 | 68 | 59.83 | Hand, Emma (2016) (Severna Park, MD) | MD 4A State Meet(MD), 2015-05-23(#13) |
| G-400 | 69 | 59.88 | Maisto, Susanna (2016) (Montgomery Blair, MD) | MD 4A West Regional(MD), 2015-05-14(#3) |
| G-400 | 70 | 59.94 | Kenny, Courtney (Maryvale Prep, MD) | MIAA/IAAM Championships(MD), 2015-05-05(#5) |
| G-400 | 71 | 59.96 | Conway, Alysa (2017) (Perryville, MD) | MD 1A State Meet(MD), 2015-05-23(#3) |
| G-400 | 72 | 59.98 | Anoma, Amiya (2018) (Randallstown, MD) | AAU JO Region 3 Qualifier(MD), 2015-06-28(#4) |
| G-400 | 73 | 59.99 | Grabowski, Abby (2017) (Urbana, MD) | Frederick County Championships(MD), 2015-05-06(#3) |
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