| Place | Time | Swimmer (Yr) | School | City | State |
| 1 | :42.81 | Jack Conger (12) | Our Lady of Good Counsel | Olney | MD |
| 2 | :42.95 | Ryan Murphy (12) | The Bolles School | Jacksonville | FL |
| 3 | :43.47 | Santo Condorelli (12) | The Bolles School | Jacksonville | FL |
| 4 | :43.89 | Kyle Gornay (11) | Redlands High School | Redlands | CA |
| 5 | :43.94 | Clark Smith (12) | Regis Jesuit High School | Aurora | CO |
| 6 | :43.98 | Daryl Turner (12) | Cherry Creek High School | Englewood | CO |
| 7 | :44.09 | Cannon Clifton (12) | The Woodlands High School | The Woodlands | TX |
| 8 | :44.17 | Blake Pieroni (11) | Chesterton High School | Chesterton | IN |
| 9 | :44.22 | Jackson Miller (12) | Las Lomas High School | Walnut Creek | CA |
| 10 | :44.27 | Sven Campbell (12) | Campolindo High School | Moraga | CA |
| 11 | :44.43 | Ryan Held (11) | Sacred Heart - Griffin High School | Springfield | IL |
| 12 | :44.55 | Daniel Spas (12) | American Heritage School | Plantation | FL |
| 13 | :44.65 | Adam Whitener (12) | Saline Area Schools | Saline | MI |
| 14 | :44.66 | Kyle White (11) | Cheyenne Central High School | Cheyenne | WY |
| 15 | :44.73 | Jeffrey Williamson (12) | Victor Senior High School | Victor | NY |
| 16 | :44.76 | Jonathan Fiepke (12) | Dowling Catholic High School | West Des Moines | IA |
| 17 | :44.77 | Kyle Coan (11) | Los Osos High School | Rancho Cucamonga | CA |
| 18 | :44.87 | Connor Black (12) | Mundelein High School | Mundelein | IL |
| 19 | :44.91 | Jacob Molacek (11) | Creighton Preparatory School | Omaha | NE |
| 20 | :44.92 | Robert Bantley (12) | Upper Dublin High School | Fort Washington | PA |
| 21 | :44.96 | Andrew Liang (11) | Palo Alto High School | Palo Alto | CA |
| 22 | :44.99 | Jonathan DesCombes (12) | Capistrano Valley High School | Mission Viejo | CA |
| 23 | :45.00 | Spencer DeShon (12) | Capistrano Valley High School | Mission Viejo | CA |
| 24 | :45.03 | Mark Belanger (12) | Akron Firestone High School | Akron | OH |
| 25 | :45.04 | Gabriel Espinosa (12) | Brophy College Preparatory | Phoenix | AZ |
| 26 | :45.05 | Michael Jensen (9 ) | Upper Dublin High School | Fort Washington | PA |
| 26 | :45.05 | Justin Plaschka (11) | Hauppauge High School | Hauppauge | NY |
| 28 | :45.06 | Chris Powell (12) | Mill Creek High School | Hoschton | GA |
| 29 | :45.07 | Ryan Barsanti (12) | Heritage High School | Brentwood | CA |
| 29 | :45.07 | Jason McCormick (12) | Boca Raton High School | Boca Raton | FL |
| 31 | :45.09 | Jackson Locke (12) | Bellarmine College Preparatory | San Jose | CA |
| 32 | :45.10 | Aaron Greenberg (12) | Eden Prairie High School | Eden Prairie | MN |
| 33 | :45.17 | Long Gutierrez (12) | Brighton High School | Salt Lake City | UT |
| 33 | :45.17 | Marco Russo (12) | Steele Canyon High School | Spring Valley | CA |
| 35 | :45.20 | Lucas Popp (12) | Maize High School | Maize | KS |
| 36 | :45.21 | Ali Khalafalla (11) | Fork Union Military Academy | Fork Union | VA |
| 37 | :45.22 | Greg Brocato (9 ) | LaSalle College High School | Wyndmoor | PA |
| 38 | :45.28 | Riley Hickman (10) | Davis Senior High School | Davis | CA |
| 39 | :45.29 | Michael Ragan (12) | Dacula High School | Dacula | GA |
| 40 | :45.30 | Kyle Darmody (12) | Providence High School | Charlotte | NC |
| 41 | :45.32 | David Morgan (12) | De La Salle High School | Concord | CA |
| 41 | :45.32 | Patrick Park (11) | The Peddie School | Hightstown | NJ |
| 43 | :45.34 | Noah Busch (12) | Minnetonka High School | Minnetonka | MN |
| 44 | :45.40 | Joshua Clothier (12) | Lewisville Hebron High School | Carrollton | TX |
| 44 | :45.40 | Patrick Conaton (11) | Fordham Preparatory School | Bronx | NY |
| 46 | :45.41 | Ryan McRae (12) | Palm Harbor University High School | Palm Harbor | FL |
| 46 | :45.41 | Jonathan Roberts (11) | Southlake Carroll High School | Southlake | TX |
| 48 | :45.42 | Adam Stacklin (12) | Waubonsie Valley High School | Aurora | IL |
| 49 | :45.44 | Jacob Gonzales (12) | Klein Collins High School | Spring | TX |
| 50 | :45.47 | Tommy Thach (10) | Kennedy High School | Burien | WA |
| 51 | :45.49 | David Boland (12) | Saline Area Schools | Saline | MI |
| 52 | :45.51 | Noah Lucas (12) | Mounds View High School | Arden Hills | MN |
| 52 | :45.51 | Grant Sivesind (11) | Campolindo High School | Moraga | CA |
| 52 | :45.51 | Matthew Stasiunas (12) | Salesianum School | Wilmington | DE |
| 55 | :45.53 | Jon Astashinsky (12) | Carmel High School | Carmel | IN |
| 56 | :45.55 | Tabahn Afrik (10) | Holland West Ottawa High School | Holland | MI |
| 56 | :45.55 | Michael Forbes (11) | Los Osos High School | Rancho Cucamonga | CA |
| 56 | :45.55 | Vinny Tafuto (12) | Hershey High School | Hershey | PA |
| 59 | :45.56 | Ryan Nicholson (11) | Ithaca High School | Ithaca | NY |
| 59 | :45.56 | Joseph Schooling (11) | The Bolles School | Jacksonville | FL |
| 61 | :45.57 | Caleb Davies (12) | West Hills High School | Santee | CA |
| 61 | :45.57 | Bryce Timonera (12) | Batesville High School | Batesville | IN |
| 63 | :45.60 | Thomas Cooper (11) | Trinity High School | Louisville | KY |
| 63 | :45.60 | Timothy Martin (11) | Jeffersonville High School | Jeffersonville | IN |
| 65 | :45.63 | Phil Emerson (11) | Franklin High School | Franklin | PA |
| 66 | :45.64 | Curtis Ogren (11) | Saint Francis High School | Mountain View | CA |
| 67 | :45.65 | Colin Rowe (12) | Lake Forest High School | Lake Forest | IL |
| 67 | :45.65 | Steven Tan (11) | Illinois Math And Science Academy | Aurora | IL |
| 69 | :45.66 | Jackson Halsmer (12) | Byron High School | Byron | IL |
| 70 | :45.69 | Brandon McCredie (11) | Council Rock High School North | Newtown | PA |
| 71 | :45.70 | Luke Georgiadis (11) | The Bolles School | Jacksonville | FL |
| 71 | :45.70 | James Murphy (9 ) | Robinson Secondary School | Fairfax | VA |
| 73 | :45.71 | Nick Bigot (11) | Terra Linda High School | San Rafael | CA |
| 73 | :45.71 | James Donlevy (12) | Sachem High School North | Lake Ronkonkoma | NY |
| 73 | :45.71 | Nicholas Magana (11) | Desert Mountain High School | Scottsdale | AZ |
| 73 | :45.71 | Gabe Ostler (11) | Miramonte High School | Orinda | CA |
| 77 | :45.72 | Jack Boyd (11) | Canisius High School | Buffalo | NY |
| 78 | :45.73 | Gage Kohner (11) | Boca Raton High School | Boca Raton | FL |
| 79 | :45.76 | Jackson Goethe (12) | H. H. Dow High School | Midland | MI |
| 79 | :45.76 | Mason Miller (10) | Westerville North High School | Westerville | OH |
| 81 | :45.77 | Liam Karas (11) | Corona del Mar High School | Newport Beach | CA |
| 82 | :45.78 | Nathan Christian (11) | Saint Ignatius High School | Cleveland | OH |
| 82 | :45.78 | Robert Tolson (12) | North Canton Hoover High School | North Canton | OH |
| 84 | :45.79 | Alex Hardwick (11) | Upper St. Clair High School | Pittsburgh | PA |
| 85 | :45.82 | Christian Garkani (12) | Corona del Mar High School | Newport Beach | CA |
| 86 | :45.83 | Barrett Mangold (12) | Walter Johnson High School | Bethesda | MD |
| 87 | :45.84 | Forrest Beesley (11) | Estes Park High School | Estes Park | CO |
| 87 | :45.84 | Patrick Riess (12) | Isidore Newman School | New Orleans | LA |
| 89 | :45.85 | Alec Willrodt (12) | Stratford High School | Houston | TX |
| 90 | :45.87 | Charlie Fry (12) | Sycamore High School | Cincinnati | OH |
| 90 | :45.87 | Karol Mlynarski (12) | Niles North High School | Skokie | IL |
| 92 | :45.88 | Sam Loescher (11) | Columbus North High School | Columbus | IN |
| 93 | :45.89 | Jack Blyzinskyj (12) | Weston High School | Weston | MA |
| 94 | :45.91 | Ryan Massey (12) | Klein Oak High School | Spring | TX |
| 95 | :45.93 | Daniel Ghomi (12) | Murrieta Valley High School | Murrieta | CA |
| 95 | :45.93 | Jimmy Jameson (12) | The Haverford School | Haverford | PA |
| 95 | :45.93 | Jack Mangan (12) | New Trier High School | Winnetka | IL |
| 95 | :45.93 | Greg Rogers (12) | LaSalle College High School | Wyndmoor | PA |
| 99 | :45.95 | Jonathan Farbman (10) | Terra Linda High School | San Rafael | CA |
| 99 | :45.95 | Joseph Krause (11) | Brother Rice High School | Bloomfield Hills | MI |
| 99 | :45.95 | Jack Nee (12) | Pepper Pike Orange High School | Pepper Pike | OH |
| 99 | :45.95 | Ryan Stack (11) | Kamehameha Schools Kapālama High School | Honolulu | HI |