| Place | Time | Name (Yr) | School | City | State |
| 1 | :59.66 | Bethany Galat (12) | Penn High School | Mishawaka | IN |
| 2 | :59.85 | Heidi Poppe (12) | San Ramon Valley High School | Danville | CA |
| 3 | :59.99 | Lillia King (11) | F. J. Reitz High School | Evansville | IN |
| 4 | 1:00.24 | Lindsey Horejsi (10) | Albert Lea High School | Albert Lea | MN |
| 5 | 1:00.52 | Riley Scott (11) | Petaluma High School | Petaluma | CA |
| 6 | 1:01.17 | Nikol Popov (9 ) | Valencia High School | Valencia | CA |
| 7 | 1:01.29 | Kennedy Lohman (10) | Sacred Heart Academy | Louisville | KY |
| 8 | 1:01.33 | Carolyn McCann (12) | Gig Harbor High School | Gig Harbor | WA |
| 9 | 1:01.36 | Miranda Tucker (11) | Waterford United | Waterford | MI |
| 10 | 1:01.75 | Ella Eastin (11) | Crean Lutheran High School | Irvine | CA |
| 11 | 1:01.81 | Vivian Tafuto (11) | Hershey High School | Hershey | PA |
| 12 | 1:01.88 | Olivia Anderson (11) | Edina High School | Edina | MN |
| 13 | 1:01.91 | Marie Claire Schillinger (11) | Miramonte High School | Orinda | CA |
| 14 | 1:01.95 | Lindsay Adamski (11) | Arrowhead High School | Hartland | WI |
| 15 | 1:01.97 | Alexandria Donahue (11) | H.B. Plant High School | Tampa | FL |
| 16 | 1:02.11 | Kimberly Williams (11) | Bellevue High School | Bellevue | WA |
| 17 | 1:02.30 | Kirsten Vose (11) | Flintridge Sacred Heart Academy | La Canada Flintridge | CA |
| 18 | 1:02.33 | Madison Preiss (10) | Wayzata High School | Plymouth | MN |
| 19 | 1:02.36 | Pauline Kaminski (12) | Fenwick High School | Oak Park | IL |
| 20 | 1:02.41 | Cara Jernigan (12) | Kealakehe High School | Kailua Kona | HI |
| 21 | 1:02.53 | Izzy Goldsmith (10) | Palo Verde High School | Las Vegas | NV |
| 21 | 1:02.53 | Breanna Roman (12) | The Baylor School | Chattanooga | TN |
| 23 | 1:02.58 | Grace Zhao (9 ) | Palo Alto High School | Palo Alto High School | CA |
| 24 | 1:02.59 | Morgan Friesen (9 ) | Windsor High School | Windsor | CO |
| 24 | 1:02.59 | Morganne McKennan (10) | Archbishop Mitty High School | San Jose | CA |
| 26 | 1:02.60 | Piper Brockley (10) | Maria Carrillo High School | Santa Rosa | CA |
| 27 | 1:02.61 | Nora Deleske (9 ) | Edison High School | Huntington Beach | CA |
| 28 | 1:02.67 | Caroline Weigand (12) | Homestead High School | Fort Wayne | IN |
| 29 | 1:02.71 | Alex Clarke (11) | Carmel High School | Carmel | IN |
| 30 | 1:02.78 | Heather Farley (12) | Visitation High School | Mendota Heights | MN |
| 31 | 1:02.79 | Heidi Katter (11) | Castilleja School | Palo Alto | CA |
| 32 | 1:02.80 | Molly Washko (12) | Strongsville High School | Strongsville | OH |
| 33 | 1:02.82 | Devin Newton (12) | Edison High School | Huntington Beach | CA |
| 34 | 1:02.83 | Madison Winstead (10) | Paul Laurence Dunbar High School | Lexington | KY |
| 35 | 1:02.84 | Jorie Caneta (12) | Frontier High School | Bakersfield | CA |
| 36 | 1:02.88 | Kara Lucenti (12) | New Trier High School | Winnetka | IL |
| 37 | 1:02.90 | Shea Hoyt (12) | St. Charles East High School | St. Charles | IL |
| 38 | 1:02.93 | Madeleine Vonderhaar (10) | Notre Dame Academy | Park Hills | KY |
| 39 | 1:02.94 | Hanna M. Gresser (9 ) | Walsh Jesuit High School | Cuyahoga Falls | OH |
| 39 | 1:02.94 | Ingrid Wall (9 ) | New Trier High School | Winnetka | IL |
| 41 | 1:03.01 | Bethany Leap (12) | Booker High School | Sarasota | FL |
| 42 | 1:03.02 | Peyton Greenburg (11) | Du Pont Manual High School | Louisville | KY |
| 43 | 1:03.04 | Marian Yurchishin (11) | Health Careers High School | San Antonio | TX |
| 44 | 1:03.05 | Lauren Barber (11) | Wilmington Area High School | New Wilmington | PA |
| 44 | 1:03.05 | Bailey Kovac (9 ) | Fossil Ridge High School | Fort Collins | CO |
| 44 | 1:03.05 | Stefanie Ting (9 ) | Saratoga High School | Saratoga | CA |
| 47 | 1:03.09 | Julienne Tadena (11) | Granite Bay High School | Granite Bay | CA |
| 48 | 1:03.12 | Shannon Cowley (12) | Skyline High School | Ann Arbor | MI |
| 49 | 1:03.16 | Mallory Korenwinder (10) | Tulare Western High School | Tulare | CA |
| 49 | 1:03.16 | Annie Spalding (12) | Penn High School | Mishawaka | IN |
| 51 | 1:03.17 | Kristin Schumann (11) | San Ramon Valley High School | Danville | CA |
| 52 | 1:03.18 | Halle Morris (9 ) | Terra Linda High School | San Rafael | CA |
| 53 | 1:03.21 | Jessica Merritt (10) | William A. Hough High School | Cornelius | NC |
| 54 | 1:03.23 | Kayla Owens (12) | Greater Latrobe High School | Latrobe | PA |
| 55 | 1:03.25 | Schuyler Bailar (12) | Georgetown Day School | Washington | DC |
| 56 | 1:03.31 | Amy Okada (10) | Beverly Hills High School | Beverly Hills | CA |
| 57 | 1:03.34 | Erin Kuhn (10) | North Allegheny Senior High School | Wexford | PA |
| 58 | 1:03.38 | Kasey Roberts (12) | Saint Michael-Albertville High School | Saint Michael | MN |
| 59 | 1:03.43 | Madison Balish (9 ) | Punahou School | Honolulu | HI |
| 60 | 1:03.50 | Holly Schuster (12) | Crown Point High School | Crown Point | IN |
| 61 | 1:03.51 | Rae Bullinger (12) | Hopkins High School | Minnetonka | MN |
| 62 | 1:03.52 | Olivia Calegan (9 ) | Lincoln Southwest High School | Lincoln | NE |
| 62 | 1:03.52 | Gwen Worlton (10) | Nicolet High School | Glendale | WI |
| 64 | 1:03.53 | Kelsi Artim (9 ) | Crown Point High School | Crown Point | IN |
| 65 | 1:03.54 | Kennedy Herbert (12) | Green High School | Green | OH |
| 66 | 1:03.58 | Alyssa Arwood (11) | T.C. Roberson High School | Asheville | NC |
| 67 | 1:03.62 | Natalie L Pierce (12) | Detroit Country Day School | Beverly Hills | MI |
| 68 | 1:03.63 | Maddie Garber (12) | Milford High School | Milford | MA |
| 69 | 1:03.74 | Haley Harris (11) | Carmel High School | Carmel | IN |
| 70 | 1:03.76 | Amanda Kedzierski (12) | Hempfield Area High School | Greensburg | PA |
| 71 | 1:03.77 | Rachael Bradford-Feldman (11) | Saint Andrew's School | Boca Raton | FL |
| 72 | 1:03.79 | Corrine Shigeta (12) | Kaiser High School | Honolulu | HI |
| 73 | 1:03.82 | Lindsay Shabet (12) | Seven Lakes High School | Katy | TX |
| 73 | 1:03.82 | Sara Stranick (11) | Charlotte Catholic High School | Charlotte | NC |
| 73 | 1:03.82 | Linda Zhang (10) | Salem High School | Canton | MI |
| 76 | 1:03.83 | Eva Crouse (9 ) | Suffield Academy | Suffield | CT |
| 77 | 1:03.89 | Emma Chard (12) | Henry Foss High School | Tacoma | WA |
| 78 | 1:03.91 | Lily Maxfield (11) | Analy High School | Sebastopol | CA |
| 79 | 1:03.94 | Larissa Neilan (12) | Orange County High School | Orange | VA |
| 80 | 1:03.95 | Olga Lapteva (10) | The Bolles School | Jacksonville | FL |
| 81 | 1:03.96 | Maggie Melhorn (12) | Smoky Mountain Home Education Association | Walland | TN |
| 81 | 1:03.96 | Katie Wells (11) | Glenbrook South High School | Glenview | IL |
| 83 | 1:03.97 | Sydney Weeks (10) | Naperville Central High School | Naperville | IL |
| 84 | 1:04.02 | Kate Didion (11) | Las Lomas High School | Walnut Creek | CA |
| 85 | 1:04.05 | Ally Howe (12) | Sacred Heart Preparatory | Atherton | CA |
| 85 | 1:04.05 | Meaghan Raab (12) | Hershey High School | Hershey | PA |
| 87 | 1:04.08 | Victoria Roubique (10) | Cypress Ranch High School | Cypress | TX |
| 88 | 1:04.10 | Margeret Aroesty (9 ) | Long Beach High School | Long Beach | NY |
| 89 | 1:04.13 | Erin Stevens (12) | Naperville Central High School | Naperville | IL |
| 90 | 1:04.14 | Brittany Oxley (12) | Vista Del Lago High School | Folsom | CA |
| 91 | 1:04.16 | Mallory Underwood (9 ) | Athens High School | Athens | AL |
| 92 | 1:04.17 | Erin Scott (10) | Brookwood High School | Snellville | GA |
| 93 | 1:04.18 | Kathleen Benjamin (12) | Davis Senior High School | Davis | CA |
| 94 | 1:04.21 | Elena Escalas (11) | University School of Nashville | Nashville | TN |
| 94 | 1:04.21 | Nicole Pape (9 ) | Rochester Adams High School | Rochester | MI |
| 96 | 1:04.22 | Rebecca Titterton (11) | Suffield Academy | Suffield | CT |
| 97 | 1:04.26 | Morgan Belli (12) | Gahanna Lincoln High School | Gahanna | OH |
| 98 | 1:04.27 | Kassandra Mestemaker (12) | Granville High School | Granville | OH |
| 99 | 1:04.28 | Crile Hart (9 ) | Hawken School | Gates Mills | OH |
| 100 | 1:04.29 | Kelly Henry (12) | Gar-Field High School | Woodbridge | VA |