| Place | Time | Swimmer (Yr) | School | City | State |
| 1 | 1:42.96 | Katie Ledecky (10) | Stone Ridge School | Bethesda | MD |
| 2 | 1:44.45 | Chelsea Chenault (12) | Carondelet High School | Concord | CA |
| 3 | 1:45.29 | Nicole Stafford (12) | Westminster Schools | Atlanta | GA |
| 4 | 1:45.39 | Katie McLaughlin (10) | Jserra Catholic High School | San Juan Capistrano | CA |
| 5 | 1:45.52 | Leah Smith (12) | Oakland Catholic High School | Pittsburgh | PA |
| 6 | 1:45.93 | Meaghan Raab (11) | Hershey High School | Hershey | PA |
| 7 | 1:46.35 | Jennifer Campbell (10) | Gunn High School | Palo Alto | CA |
| 8 | 1:46.93 | Shannon McKernan (10) | Germantown Academy | Fort Washington | PA |
| 9 | 1:47.01 | Eryn Eddy (10) | Thompson Valley High School | Loveland | CO |
| 10 | 1:47.26 | Taylor Katz (12) | Riverview High School | Sarasota | FL |
| 11 | 1:47.43 | Zoe Thatcher (11) | Mason High School | Mason | OH |
| 12 | 1:47.54 | Cece Williams (11) | Lawton Chiles High School | Tallahassee | FL |
| 13 | 1:47.65 | Rebecca Postoll (10) | Kennesaw Mountain High School | Kennesaw | GA |
| 14 | 1:47.67 | Abby Jagdfeld (11) | Waukesha South High School | Waukesha | WI |
| 15 | 1:47.79 | Ariana Saghafi (10) | Albany High School | Albany | CA |
| 16 | 1:47.84 | Rachel Muller (12) | Brookwood High School | Snellville | GA |
| 17 | 1:47.89 | Brooke Lorentzen (11) | Capistrano Valley High School | Mission Viejo | CA |
| 18 | 1:47.96 | Lauren Barber (10) | Wilmington Area High School | New Wilmington | PA |
| 18 | 1:47.96 | Catherine Ladd (11) | Willow Glen High School | San Jose | CA |
| 20 | 1:47.97 | Alexandra Buscher (10) | Memorial High School | Houston | TX |
| 21 | 1:47.98 | Lauren Rhodes (11) | Charlotte Catholic High School | Charlotte | NC |
| 22 | 1:48.01 | Maddison Wright (10) | Waterford United High Schools | Waterford | MI |
| 23 | 1:48.02 | Megan Moroney (10) | Saint Andrew's School | Boca Raton | FL |
| 24 | 1:48.07 | Mallory Comerford (10) | Plainwell High School | Plainwell | MI |
| 25 | 1:48.17 | Grace Long (10) | Upper Arlington High School | Upper Arlington | OH |
| 26 | 1:48.19 | Claire Adams (9 ) | Carmel High School | Carmel | IN |
| 27 | 1:48.22 | Carrie Bencic (12) | Hawken School | Gates Mills | OH |
| 28 | 1:48.29 | Jessica Hodgson (11) | The Bolles School | Jacksonville | FL |
| 29 | 1:48.30 | Kina Zhou (12) | Niskayuna High School | Niskayuna | NY |
| 30 | 1:48.35 | Leah Stevens (10) | Sacred Heart Academy | Louisville | KY |
| 31 | 1:48.36 | Anna Kolanowski (12) | Sherwood High School | Sandy Spring | MD |
| 32 | 1:48.38 | Tatum Wade (9 ) | Christ Presbyterian Academy | Nashville | TN |
| 33 | 1:48.39 | Nika Fellows (11) | La Cueva High School | Albuquerque | NM |
| 34 | 1:48.61 | Amelia Schilling (12) | Minnetonka High School | Minnetonka | MN |
| 35 | 1:48.67 | Gillian St. John (10) | Albuquerque Academy | Albuquerque | NM |
| 36 | 1:48.72 | Isabella Goldsmith (9 ) | Palo Verde High School | Las Vegas | NV |
| 37 | 1:48.75 | Cali Raukar (9 ) | Marin Catholic High School | Kentfield | CA |
| 37 | 1:48.75 | Allie Wooden (10) | Cincinnati Country Day School | Cincinnati | OH |
| 39 | 1:48.88 | Courtney Evensen (10) | Robbinsdale Armstrong High School | Plymouth | MN |
| 40 | 1:48.91 | Hannah James (11) | Riverview High School | Sarasota | FL |
| 41 | 1:48.93 | Sammie Hashbarger (11) | McKinney High School | McKinney | TX |
| 42 | 1:48.95 | Ella Moynihan (10) | Arapahoe High School | Centennial | CO |
| 43 | 1:48.97 | Danielle Valley (12) | Lakewood Ranch High School | Bradenton | FL |
| 44 | 1:49.03 | Laine Reed (11) | Austin High School | Austin | TX |
| 45 | 1:49.05 | Hannah Boyd (9 ) | University High School | Normal | IL |
| 46 | 1:49.10 | Claire Rasmus (10) | The Bolles School | Jacksonville | FL |
| 47 | 1:49.15 | Ella Eastin (10) | Crean Lutheran High School | Irvine | CA |
| 48 | 1:49.17 | Brittany Hammond (12) | Pine Crest School | Fort Lauderdale | FL |
| 49 | 1:49.19 | Ingrid Shu (9 ) | The Pingry School | Basking Ridge | NJ |
| 50 | 1:49.24 | Jenna Bauer (11) | Montgomery High School | Santa Rosa | CA |
| 51 | 1:49.30 | Summer Brown (11) | Western High School | Russiaville | IN |
| 52 | 1:49.33 | Sarah Gibson (12) | Ronald Reagan High School | San Antonio | TX |
| 53 | 1:49.34 | Emily Zapinski (12) | Southlake Carroll High School | Southlake | TX |
| 54 | 1:49.42 | Sarah Shimomura (10) | Archbishop Mitty High School | San Jose | CA |
| 55 | 1:49.46 | Kelley Tackett (9 ) | Rock Bridge High School | Columbia | MO |
| 56 | 1:49.49 | Lauren Heller (9 ) | Walsh Jesuit High School | Cuyahoga Falls | OH |
| 57 | 1:49.51 | Michaela Merlihan (12) | Esperanza High School | Anaheim | CA |
| 58 | 1:49.52 | Sandra Soe (10) | Pioneer High School | San Jose | CA |
| 59 | 1:49.53 | Cara Norris (10) | Sycamore High School | Cincinnati | OH |
| 60 | 1:49.56 | Mckenna Meyer (9 ) | Galena High School | Reno | NV |
| 61 | 1:49.61 | Chenoa Devine (9 ) | Davis Senior High School | Davis | CA |
| 62 | 1:49.64 | Gabbie Stecker (12) | Pleasant Valley High School | Riverdale | IA |
| 63 | 1:49.66 | Katelyn Miller (12) | Akron Firestone High School | Akron | OH |
| 64 | 1:49.67 | Isabel Whited (9 ) | Pinnacle High School | Phoenix | AZ |
| 65 | 1:49.71 | Breanna Robinson (10) | Wawasee High School | Syracuse | IN |
| 66 | 1:49.72 | Felicity Cann (12) | Stadium High School | Tacoma | WA |
| 67 | 1:49.73 | Britney Fant (11) | Atascocita High School | Humble | TX |
| 68 | 1:49.76 | Stephanie Marchuk (12) | New Trier High School | Winnetka | IL |
| 68 | 1:49.76 | Emmy Sehmann (10) | Bowling Green High School | Bowling Green | OH |
| 70 | 1:49.77 | Ellen Berdusco (10) | Saint Stephens Episcopal School | Bradenton | FL |
| 71 | 1:49.80 | Isabel Wyer (11) | Minnetonka High School | Minnetonka | MN |
| 72 | 1:49.83 | Anna Elling (12) | Burnsville High School | Burnsville | MN |
| 73 | 1:49.84 | Kira Zubar (11) | Eden Prairie High School | Eden Prairie | MN |
| 74 | 1:49.85 | Natalie Amberg (11) | Carondelet High School | Concord | CA |
| 75 | 1:49.86 | Sydney Franzen (10) | Santa Margarita Catholic High School | Rancho Santa Margarita | CA |
| 76 | 1:49.91 | Katherine Duggan (10) | Lake Highland Preparatory School | Orlando | FL |
| 76 | 1:49.91 | Lindsay Manning (12) | Oak Ridge High School | Conroe | TX |
| 78 | 1:49.92 | Sarah Nowaski (9 ) | West Hills High School | Santee | CA |
| 79 | 1:49.95 | Tommie Dillione (11) | Council Rock High School North | Newtown | PA |
| 80 | 1:49.96 | Asia Antoniuk (12) | William S. Hart High School | Newhall | CA |
| 80 | 1:49.96 | Jasmine Mau (11) | Punahou School | Honolulu | HI |
| 82 | 1:49.97 | Brittney Walters (12) | Northridge High School | Middlebury | IN |
| 83 | 1:50.00 | Jordan Domeier (12) | Klein High School | Klein | TX |
| 84 | 1:50.01 | Emily Mayo (12) | Arapahoe High School | Centennial | CO |
| 85 | 1:50.05 | Monica Bottelberghe (11) | Columbia River High School | Vancouver | WA |
| 86 | 1:50.07 | Molly Manchon (10) | Waukesha South High School | Waukesha | WI |
| 86 | 1:50.07 | Abigail Richey (10) | Colonial Heights High School | Colonial Heights | VA |
| 88 | 1:50.10 | Madisyn Cox (12) | Lubbock High School | Lubbock | TX |
| 89 | 1:50.12 | Kirsten Jacobsen (9 ) | Barrington High School | Barrington | IL |
| 90 | 1:50.19 | Madison Dirks (11) | Grandview High School | Aurora | CO |
| 91 | 1:50.25 | Erin Falconer (10) | Mundelein High School | Mundelein | IL |
| 92 | 1:50.27 | Mollie Pulte (10) | Marian High School | Bloomfield Hills | MI |
| 93 | 1:50.30 | Megan Wenman (9 ) | Rosemount High School | Rosemount | MN |
| 94 | 1:50.34 | Elizabeth House (12) | Du Pont Manual High School | Louisville | KY |
| 95 | 1:50.36 | Kat Wickham (11) | Palm Springs High School | Palm Springs | CA |
| 96 | 1:50.39 | Emily Kosten (10) | North Penn High School | Lansdale | PA |
| 97 | 1:50.44 | Paige Matherson (11) | San Ramon Valley High School | Danville | CA |
| 98 | 1:50.46 | Kirsten Brand (12) | Amador Valley High School | Pleasanton | CA |
| 99 | 1:50.48 | Quinn MacMillan (11) | Central Bucks High School West | Doylestown | PA |
| 99 | 1:50.48 | Madison Myers (10) | Copley High School | Copley | OH |