| 1 | 14:56.30 | Katherine SkinnerRiverhead | Riverhead '10 | Saint Anthony's Cross Country Invitational | 2009 |
| 2 | 15:25.89 | Brigid BrennanNorthport | Northport '14 | Saint Anthony's Cross Country Invitational | 2009 |
| 3 | 15:27.22 | Ali FooteWest Islip | West Islip '11 | Saint Anthony's Cross Country Invitational | 2009 |
| 4 | 15:43.99 | Kate McCormackSt. John the Baptist | St. John the Baptist '15 | NSCHSAA Sophomore Championships | 2012 |
| 5 | 15:50.62 | Krystal FosterSt. John the Baptist | St. John the Baptist '10 | Saint Anthony's Cross Country Invitational | 2009 |
| 6 | 15:51.55 | Lianne FarberNorthport | Northport '10 | Saint Anthony's Cross Country Invitational | 2009 |
| 7 | 15:57.13 | Anne CareySt. John the Baptist | St. John the Baptist '11 | NSCHSAA Sophomore Championships | 2008 |
| 8 | 15:58.35 | Shea BohanSt. Anthony's | St. Anthony's '15 | NSCHSAA Sophomore Championships | 2012 |
| 9 | 16:00.89 | Stephanie LeoSt. Anthony's | St. Anthony's '14 | NSCHSAA Sophomore Championships | 2011 |
| 10 | 16:05.26 | Michelle GayeHarborfields | Harborfields '11 | Saint Anthony's Cross Country Invitational | 2009 |
| 11 | 16:06.48 | Kerri McCormackSt. John the Baptist | St. John the Baptist '20 | NSCHSAA Sophomore Championships | 2017 |
| 12 | 16:18.64 | Kelly AbbateNorthport | Northport '10 | Saint Anthony's Cross Country Invitational | 2009 |
| 13 | 16:22.01 | Veronica LeddySt. Anthony's | St. Anthony's '12 | NSCHSAA Sophomore Championships | 2009 |
| 14 | 16:27.50 | Hailey MarcelloSt. John the Baptist | St. John the Baptist '19 | NSCHSAA Sophomore Championships | 2016 |
| 15 | 16:29.24 | Gina D'AngeloSt. Anthony's | St. Anthony's '14 | NSCHSAA Sophomore Championships | 2011 |
| 16 | 16:31.59 | Elizabeth FierroNorthport | Northport '11 | Saint Anthony's Cross Country Invitational | 2009 |
| 17 | 16:36.77 | Kerri-Anne FlynnSt. Anthony's | St. Anthony's '13 | NSCHSAA Sophomore Championships | 2010 |
| 18 | 16:41.68 | Quinn FavillaEast Islip | East Islip '12 | Saint Anthony's Cross Country Invitational | 2009 |
| 19 | 16:42.04 | Kylie MaddalenaSt. Anthony's | St. Anthony's '21 | NSCHSAA Sophomore Championships | 2018 |
| 20 | 16:45.23 | Marlaena LeMaitreWest Islip | West Islip '11 | Saint Anthony's Cross Country Invitational | 2009 |
| 21 | 16:46.32 | Kelsey AllenWest Islip | West Islip '12 | Saint Anthony's Cross Country Invitational | 2009 |
| 22 | 16:49.02 | Krystyna OszkinisWest Islip | West Islip '10 | Saint Anthony's Cross Country Invitational | 2009 |
| 23 | 16:49.12 | Alyssa DorneySt. John the Baptist | St. John the Baptist '11 | NSCHSAA Sophomore Championships | 2008 |
| 24 | 16:50.54 | Julie LaudenschlagerWest Islip | West Islip '12 | Saint Anthony's Cross Country Invitational | 2009 |
| 25 | 16:51.84 | Lucy SeeryHarborfields | Harborfields '10 | Saint Anthony's Cross Country Invitational | 2009 |
| 26 | 16:52.94 | Victoria CiottiSt. Anthony's | St. Anthony's '12 | NSCHSAA Sophomore Championships | 2009 |
| 27 | 16:57.07 | Aileen SchretzmayerPort Jefferson | Port Jefferson '19 | NSCHSAA Sophomore Championships | 2016 |
| 28 | 16:58.16 | Catherine WestbySt. John the Baptist | St. John the Baptist '10 | Saint Anthony's Cross Country Invitational | 2009 |
| 29 | 16:58.55 | Sabrina SpeziaSt. John the Baptist | St. John the Baptist '21 | NSCHSAA Sophomore Championships | 2018 |
| 30 | 16:59.67 | Corrie KavanaughNorthport | Northport '13 | Saint Anthony's Cross Country Invitational | 2009 |
| 31 | 17:05.86 | Lauren RiveraSt. John the Baptist | St. John the Baptist '13 | NSCHSAA Sophomore Championships | 2010 |
| 32 | 17:06.11 | Alex RussoSt. Anthony's | St. Anthony's '13 | NSCHSAA Sophomore Championships | 2010 |
| 33 | 17:06.83 | AnnMarie ZigrosserSt. John the Baptist | St. John the Baptist '11 | Saint Anthony's Cross Country Invitational | 2009 |
| 34 | 17:07.39 | Juliana MarcucciRiverhead | Riverhead '12 | Saint Anthony's Cross Country Invitational | 2009 |
| 35 | 17:09.11 | Anna CorriganNorthport | Northport '12 | Saint Anthony's Cross Country Invitational | 2009 |
| 36 | 17:09.22 | Ekaterina MeringoloSt. Anthony's | St. Anthony's '14 | NSCHSAA Sophomore Championships | 2011 |
| 37 | 17:12.14 | Camille D'AmatoNorthport | Northport '12 | Saint Anthony's Cross Country Invitational | 2009 |
| 38 | 17:12.37 | Lindsey SchwasnickSt. Anthony's | St. Anthony's '21 | NSCHSAA Sophomore Championships | 2018 |
| 39 | 17:12.55 | Elizabeth GomezSt. Anthony's | St. Anthony's '13 | NSCHSAA Sophomore Championships | 2010 |
| 40 | 17:13.17 | Kelly ParkerSt. Anthony's | St. Anthony's '21 | NSCHSAA Sophomore Championships | 2018 |
| 41 | 17:14.23 | Victoria FolzSt. John the Baptist | St. John the Baptist '11 | NSCHSAA Sophomore Championships | 2008 |
| 42 | 17:15.86 | Larisa DorrianSt. Anthony's | St. Anthony's '20 | NSCHSAA Sophomore Championships | 2017 |
| 43 | 17:19.52 | Delaney WorthSt. Anthony's | St. Anthony's '14 | NSCHSAA Sophomore Championships | 2011 |
| 44 | 17:20.22 | Jennifer ZahnWest Islip | West Islip '11 | Saint Anthony's Cross Country Invitational | 2009 |
| 45 | 17:26.70 | Taylor MitchellSt. Anthony's | St. Anthony's '15 | NSCHSAA Sophomore Championships | 2012 |
| 46 | 17:28.32 | Anne Marie ZigrosserSt. John the Baptist | St. John the Baptist '11 | NSCHSAA Sophomore Championships | 2008 |
| 47 | 17:30.93 | Erika GulijaSouthampton | Southampton '14 | Saint Anthony's Cross Country Invitational | 2009 |
| 48 | 17:33.48 | Angelina DesJardinSt. Anthony's | St. Anthony's '21 | NSCHSAA Sophomore Championships | 2018 |
| 49 | 17:33.85 | Elizabeth JeromeNorthport | Northport '10 | Saint Anthony's Cross Country Invitational | 2009 |
| 50 | 17:34.19 | Alexa FranciscoEast Islip | East Islip '12 | Saint Anthony's Cross Country Invitational | 2009 |
| 51 | 17:35.01 | Erin ConnollySt. Anthony's | St. Anthony's '17 | NSCHSAA Sophomore Championships | 2014 |
| 52 | 17:37.71 | Maggie TigheSt. John the Baptist | St. John the Baptist '10 | Saint Anthony's Cross Country Invitational | 2009 |
| 53 | 17:40.57 | Brooke BowersSt. John the Baptist | St. John the Baptist '21 | NSCHSAA Sophomore Championships | 2018 |
| 54 | 17:42.17 | Annie FiorilloSt. John the Baptist | St. John the Baptist '15 | NSCHSAA Sophomore Championships | 2012 |
| 55 | 17:42.83 | Danielle CornellSt. Anthony's | St. Anthony's '11 | NSCHSAA Sophomore Championships | 2008 |
| 56 | 17:44.39 | Kathleen WesterveltSt. Anthony's | St. Anthony's '11 | Saint Anthony's Cross Country Invitational | 2009 |
| 57 | 17:45.16 | Jennifer GaffneySt. John the Baptist | St. John the Baptist '20 | NSCHSAA Sophomore Championships | 2017 |
| 58 | 17:48.89 | Mariella BillelloSt. Anthony's | St. Anthony's '12 | NSCHSAA Sophomore Championships | 2009 |
| 59 | 17:49.23 | Kelly HartyWest Islip | West Islip '11 | Saint Anthony's Cross Country Invitational | 2009 |
| 60 | 17:49.35 | Ferraro JacquelynNorthport | Northport '14 | Saint Anthony's Cross Country Invitational | 2009 |
| 61 | 17:49.95 | Katie StrobleSt. John the Baptist | St. John the Baptist '13 | NSCHSAA Sophomore Championships | 2010 |
| 62 | 17:52.39 | Erin HealySt. John the Baptist | St. John the Baptist '20 | NSCHSAA Sophomore Championships | 2017 |
| 63 | 17:57.04 | Lauren FontanaSt. Anthony's | St. Anthony's '12 | NSCHSAA Sophomore Championships | 2009 |
| 64 | 17:57.64 | Nicole KrawczykSt. Anthony's | St. Anthony's '12 | NSCHSAA Sophomore Championships | 2009 |
| 65 | 18:01.34 | Kelsey McNallyWest Islip | West Islip '12 | Saint Anthony's Cross Country Invitational | 2009 |
| 66 | 18:06.48 | Kayden BeckerSt. Anthony's | St. Anthony's '11 | Saint Anthony's Cross Country Invitational | 2009 |
| 67 | 18:06.84 | Ashley EckhoffSt. Anthony's | St. Anthony's '20 | NSCHSAA Sophomore Championships | 2017 |
| 68 | 18:10.20 | Emma ClearySt. John the Baptist | St. John the Baptist '12 | NSCHSAA Sophomore Championships | 2009 |
| 69 | 18:14.93 | Chelsea FarinacciHarborfields | Harborfields '12 | Saint Anthony's Cross Country Invitational | 2009 |
| 70 | 18:15.45 | Elizabeth FallonSt. Anthony's | St. Anthony's '12 | NSCHSAA Sophomore Championships | 2009 |
| 71 | 18:16.24 | Veronica MuratoreSt. Anthony's | St. Anthony's '15 | NSCHSAA Sophomore Championships | 2012 |
| 72 | 18:18.02 | Caitlyn SkrypekSt. Anthony's | St. Anthony's '13 | NSCHSAA Sophomore Championships | 2010 |
| 73 | 18:18.45 | Margaret PappasSt. John the Baptist | St. John the Baptist '21 | NSCHSAA Sophomore Championships | 2018 |
| 74 | 18:18.80 | Jill SchleierSt. John the Baptist | St. John the Baptist '19 | NSCHSAA Sophomore Championships | 2016 |
| 75 | 18:21.37 | Teresa KennedySt. Anthony's | St. Anthony's '15 | NSCHSAA Sophomore Championships | 2012 |
| 76 | 18:21.72 | Emma BaileySt. Anthony's | St. Anthony's '11 | NSCHSAA Sophomore Championships | 2008 |
| 77 | 18:22.19 | Kathleen PonzioSt. John the Baptist | St. John the Baptist '12 | NSCHSAA Sophomore Championships | 2009 |
| 78 | 18:24.49 | Eliza BrineNorthport | Northport '11 | Saint Anthony's Cross Country Invitational | 2009 |
| 79 | 18:24.78 | Meghan HundSt. Anthony's | St. Anthony's '18 | NSCHSAA Sophomore Championships | 2015 |
| 80 | 18:25.51 | Lauren KerlSt. Anthony's | St. Anthony's '12 | NSCHSAA Sophomore Championships | 2009 |
| 81 | 18:26.30 | Victoria NataleSt. Anthony's | St. Anthony's '18 | NSCHSAA Sophomore Championships | 2015 |
| 82 | 18:30.08 | Madison IsnardiSt. John the Baptist | St. John the Baptist '20 | NSCHSAA Sophomore Championships | 2017 |
| 83 | 18:31.46 | Alexis ParesSt. Anthony's | St. Anthony's '20 | NSCHSAA Sophomore Championships | 2017 |
| 84 | 18:33.27 | Bridget FlynnHarborfields | Harborfields '10 | Saint Anthony's Cross Country Invitational | 2009 |
| 85 | 18:36.32 | Julia O'RourkeSt. Anthony's | St. Anthony's '14 | NSCHSAA Sophomore Championships | 2011 |
| 86 | 18:38.98 | Genevieve LeoSt. Anthony's | St. Anthony's '11 | NSCHSAA Sophomore Championships | 2008 |
| 87 | 18:41.18 | Nicole CunninghamSt. John the Baptist | St. John the Baptist '12 | NSCHSAA Sophomore Championships | 2009 |
| 88 | 18:41.40 | Molly SchaeferCenter Moriches | Center Moriches '12 | Saint Anthony's Cross Country Invitational | 2009 |
| 89 | 18:41.45 | Alyssa FebbraroEast Islip | East Islip '12 | Saint Anthony's Cross Country Invitational | 2009 |
| 90 | 18:45.07 | Aislinn RowanSt. John the Baptist | St. John the Baptist '10 | Saint Anthony's Cross Country Invitational | 2009 |
| 91 | 18:45.95 | Allison HandSt. John the Baptist | St. John the Baptist '13 | NSCHSAA Sophomore Championships | 2010 |
| 92 | 18:46.70 | Kathryn AdamsSt. Anthony's | St. Anthony's '11 | NSCHSAA Sophomore Championships | 2008 |
| 93 | 18:46.79 | Alivia CocchiNorthport | Northport '11 | Saint Anthony's Cross Country Invitational | 2009 |
| 94 | 18:47.33 | Brooke MullerNorthport | Northport '12 | Saint Anthony's Cross Country Invitational | 2009 |
| 95 | 18:47.69 | Kelly MahoneyHarborfields | Harborfields '12 | Saint Anthony's Cross Country Invitational | 2009 |
| 96 | 18:48.39 | Jenna PearsallEast Islip | East Islip '10 | Saint Anthony's Cross Country Invitational | 2009 |
| 97 | 18:50.03 | Victoria ArenaSt. Anthony's | St. Anthony's '17 | NSCHSAA Sophomore Championships | 2014 |
| 98 | 18:53.65 | Janna PowellSt. Anthony's | St. Anthony's '12 | NSCHSAA Sophomore Championships | 2009 |
| 99 | 18:54.57 | Michelle GenoveseWest Islip | West Islip '11 | Saint Anthony's Cross Country Invitational | 2009 |
| 100 | 18:54.58 | Siena KahlerSt. Anthony's | St. Anthony's '20 | NSCHSAA Sophomore Championships | 2017 |
