| Place | Time | Swimmer (Yr) | School | City | State |
| 1 | :46.65 | Michael Thomas (11) | Hatboro Horsham High School | Horsham | PA |
| 2 | :46.80 | Hennessey Stuart (12) | Regis Jesuit High School | Aurora | CO |
| 3 | :46.88 | Ryan Dudzinski (11) | Upper St. Clair High School | Pittsburgh | PA |
| 4 | :47.06 | Aaron Whitaker (12) | Chesterton High School | Chesterton | IN |
| 5 | :47.15 | Kyle Gornay (12) | Redlands High School | Redlands | CA |
| 6 | :47.36 | Luke Kaiszak (12) | The Baylor School | Chattanooga | TN |
| 7 | :47.54 | Ethan Young (10) | Dalton High School | Dalton | GA |
| 8 | :47.79 | Tristan Sanders (12) | Palm Harbor University High School | Palm Harbor | FL |
| 9 | :48.33 | Zachary Buerger (12) | North Allegheny Senior High School | Wexford | PA |
| 10 | :48.39 | Jessie Kim (12) | Valencia High School | Valencia | CA |
| 11 | :48.53 | Patrick Conaton (12) | Fordham Preparatory School | Bronx | NY |
| 12 | :48.56 | David Puczkowski (11) | Westlake High School | Westlake Village | CA |
| 13 | :48.58 | Jonathan Roberts (12) | Southlake Carroll High School | Southlake | TX |
| 14 | :48.59 | Alexander Lewis (12) | Greenwich High School | Greenwich | CT |
| 15 | :48.64 | Todd McCarthy (12) | Bellevue High School | Bellevue | WA |
| 16 | :48.67 | Alex Snarski (12) | Libertyville High School | Libertyville | IL |
| 17 | :48.69 | Brent Benedict (11) | Corry Area High School | Corry | PA |
| 18 | :48.71 | John Thorne (11) | Thompson Valley High School | Loveland | CO |
| 19 | :48.72 | Jonathan Knox (12) | Analy High School | Sebastopol | CA |
| 20 | :48.73 | Tim Wynter (12) | Phillips Academy | Andover | MA |
| 21 | :48.77 | Daniel Tran (11) | University High School | Irvine | CA |
| 22 | :48.78 | Ryan Gordon (12) | Shenendehowa High School | Clifton Park | NY |
| 23 | :48.90 | Cameron Craig (10) | Monroe High School | Monroe | MI |
| 24 | :48.92 | John Shebat (11) | Oakton High School | Vienna | VA |
| 25 | :49.05 | Justin Plaschka (12) | Hauppauge High School | Hauppauge | NY |
| 26 | :49.08 | Jack Walsh (11) | Detroit Catholic Central High School | Novi | MI |
| 27 | :49.09 | Thomas Smith (11) | Edison High School | Huntington Beach | CA |
| 28 | :49.10 | Brandon James (12) | Heritage High School | Brentwood | CA |
| 28 | :49.10 | Koya Osada (12) | East Chapel Hill High School | Chapel Hill | NC |
| 30 | :49.20 | Wilson Beckman (11) | Munster High School | Munster | IN |
| 31 | :49.26 | Brock Bonetti (12) | Stockdale High School | Bakersfield | CA |
| 31 | :49.26 | Walker Thaning (12) | Heritage High School | Brentwood | CA |
| 33 | :49.30 | Ryan Peters (12) | Countryside High School | Clearwater | FL |
| 34 | :49.33 | Brian Woodbury (12) | Curtis High School | University Place | WA |
| 35 | :49.36 | Thomas Trace (12) | Upper Arlington High School | Upper Arlington | OH |
| 36 | :49.46 | Steven Tan (12) | Illinois Math And Science Academy | Aurora | IL |
| 37 | :49.49 | William Lee (12) | Palo Alto High School | Palo Alto High School | CA |
| 38 | :49.54 | Wesley Olmsted (12) | Eastside High School | Gainesville | FL |
| 39 | :49.56 | Ben Ho (10) | Saint Francis High School | Mountain View | CA |
| 40 | :49.57 | Billy Mullis (12) | Vacaville High School | Vacaville | CA |
| 41 | :49.59 | Robert Whitacre (12) | Christian Brothers Academy | Lincroft | NJ |
| 42 | :49.60 | Michal Zyla (12) | Northgate High School | Walnut Creek | CA |
| 43 | :49.66 | Christopher J. Schaffer (12) | Malvern Preparatory School | Malvern | PA |
| 44 | :49.70 | Patrick Cusick (11) | Alpharetta High School | Alpharetta | GA |
| 45 | :49.71 | Alexander Martin (10) | Moorestown High School | Moorestown | NJ |
| 46 | :49.77 | Matthew Klotz (12) | Vista Del Lago High School | Folsom | CA |
| 47 | :49.79 | Michael Joseph Reilman (11) | Walsh Jesuit High School | Cuyahoga Falls | OH |
| 48 | :49.80 | Jonathan Ekas (12) | McDowell High School | Erie | PA |
| 49 | :49.82 | Adam Noens (12) | Lawrence North High School | Indianapolis | IN |
| 50 | :49.86 | John Farese (12) | Shorecrest Preparatory School | St. Petersburg | FL |
| 51 | :49.87 | Peter Conzola (12) | Freedom High School | Bethlehem | PA |
| 52 | :49.94 | Jeff Wynkoop (12) | Tesoro High School | Las Flores | CA |
| 53 | :49.97 | Anthony Kim (10) | Albuquerque Academy | Albuquerque | NM |
| 54 | :49.98 | Jacob Molacek (12) | Creighton Preparatory School | Omaha | NE |
| 54 | :49.98 | Corey Okubo (12) | University High School | Irvine | CA |
| 56 | :50.00 | Joseph Young (11) | Hamilton Southeastern High School | Fishers | IN |
| 57 | :50.02 | Matt Whittle (12) | Davis Senior High School | Davis | CA |
| 58 | :50.03 | Austin Doss (12) | Hershey High School | Hershey | PA |
| 59 | :50.05 | Garrett Chin (12) | La Cañada High School | La Cañada - Flintridge | CA |
| 59 | :50.05 | Gust Kouvaris (11) | Brother Rice High School | Bloomfield Hills | MI |
| 59 | :50.05 | Maxime Rooney (10) | Granada High School | Livermore | CA |
| 59 | :50.05 | Jason Wesseling (12) | Jenison High School | Jenison | MI |
| 63 | :50.07 | Hudson Carroll (12) | New Paltz High School | New Paltz | NY |
| 64 | :50.08 | Alex Trompke (12) | Rocky Mountain High School | Meridian | ID |
| 65 | :50.09 | Trey Cashion (12) | Walden Grove High School | Sahuarita | AZ |
| 66 | :50.19 | Mark Keaveney (12) | Walton High School | Marietta | GA |
| 67 | :50.23 | Cole Cogswell (11) | William S. Hart High School | Newhall | CA |
| 67 | :50.23 | Anton Loncar (12) | Liberty High School | Hillsboro | OR |
| 69 | :50.28 | Daniel Hein (10) | DeKalb High School | DeKalb | IL |
| 70 | :50.29 | Kyle Coan (12) | Los Osos High School | Rancho Cucamonga | CA |
| 70 | :50.29 | Brandon Goldstein (11) | Georgetown Preparatory School | North Bethesda | MD |
| 72 | :50.30 | Cole Stevens (10) | Campolindo High School | Moraga | CA |
| 73 | :50.32 | Grayson Smith (12) | James Madison High School | Vienna | VA |
| 74 | :50.34 | Tristan Furnary (10) | Sunset High School | Portland | OR |
| 75 | :50.39 | Forrest White (10) | De La Salle High School | Concord | CA |
| 76 | :50.41 | Vince Everman (11) | LaSalle College High School | Wyndmoor | PA |
| 77 | :50.42 | Greg Neidlinger (12) | North Penn High School | Lansdale | PA |
| 78 | :50.44 | Jack Montesi (10) | Greenwich High School | Greenwich | CT |
| 79 | :50.47 | Cole Buese (11) | Loyola Blakefield | Towson | MD |
| 80 | :50.49 | Calvin Kirkpatrick (11) | Northgate High School | Walnut Creek | CA |
| 81 | :50.50 | William Arthur (11) | Hardin Valley Academy | Knoxville | TN |
| 82 | :50.51 | Daniel Smith (11) | Lake Forest High School | Lake Forest | IL |
| 83 | :50.56 | Nick Wonder (12) | Bloomington High School South | Bloomington | IN |
| 84 | :50.57 | John Whiteside (10) | Fairfield Ludlowe High School | Fairfield | CT |
| 85 | :50.58 | Jolen Griffin (9 ) | Campolindo High School | Moraga | CA |
| 85 | :50.58 | Colin Lynch (12) | Harvard-Westlake School | Studio City | CA |
| 87 | :50.59 | Corey Gutierrez (11) | Gunderson High School | San Jose | CA |
| 87 | :50.59 | Grant Pinchot (11) | Solon High School | Solon | OH |
| 87 | :50.59 | Andy Song (10) | The Bolles School | Jacksonville | FL |
| 87 | :50.59 | Alex Walton (11) | Muscatine High School | Muscatine | IA |
| 91 | :50.60 | Alex Shieman (12) | Campolindo High School | Moraga | CA |
| 92 | :50.62 | Jake Precious (11) | Ballard High School | Louisville | KY |
| 93 | :50.63 | Nathan Murray (10) | South Mecklenberg High School | Charlotte | NC |
| 93 | :50.63 | Samuel To (12) | San Marino High School | San Marino | CA |
| 95 | :50.65 | Nick Alexander (10) | St. John Vianney High School | Kirkwood | MO |
| 95 | :50.65 | Glen Cowand (9 ) | Cinco Ranch High School | Katy | TX |
| 97 | :50.66 | Ryan Baker (10) | Gonzaga College High School | Washington | DC |
| 98 | :50.67 | James Wilson (10) | Conestoga Valley High School | Lancaster | PA |
| 99 | :50.70 | Mark Blinstrub (11) | Brother Rice High School | Bloomfield Hills | MI |
| 100 | :50.75 | Garrett Schmid (11) | Canyon Crest Academy | San Diego | CA |