| 1Heat — | —Liam Carrington | Bolles School Sh | — | 1:35.56 |
| 2Heat — | —Michael Geh | Badger Swim Club | — | 1:36.19 |
| 3Heat — | —Connor Christopherson | SwimAtlanta | — | 1:36.35 |
| 4Heat — | —Alex Goodman | Jersey Wahoos-MA 1:50.94L | — | 1:36.42 |
| 5Heat — | —Mike Rice | Mecklenburg Swim | — | 1:36.62 |
| 6Heat — | —Brady Campbell | Mason Manta Rays | — | 1:36.81 |
| 7Heat — | —Noah Stotler | Bolles School Sh | — | 1:37.14 |
| 8Heat — | —Kyle Wilburn | Sailfish Aquatic 1:52.92L | — | 1:37.23 |
| 9Heat — | —Trent Allen | Carmel Swim Club | — | 1:37.33 |
| 10Heat — | —Peter Kovacs | Indiana Swim Clu 1:53.83L | — | 1:37.34 |
| 11Heat — | —Charlie Zuhoski | Bolles School Sh | — | 1:37.67 |
| 12Heat — | —Tristan Furlow | Shawmut Aquatic- 1:54.39L | — | 1:37.68 |
| 13Heat — | —Charlie McCuiston | Atlantis Swimmin | — | 1:37.70 |
| 14Heat — | —Chase Knopf | Northern KY Clip 1:54.60L | — | 1:37.86 |
| 15Heat — | —Andrew Malaj | Sarasota Tsunami | — | 1:37.87 |
| 16Heat — | —Hayden Hall | Tennessee Aquati | — | 1:37.93 |
| 17Heat — | —Colin Jacobs | Unattached-FL 1:52.15L | — | 1:37.99 |
| 18Heat — | —Ben Bricker | Birmingham Blue- 1:54.46L | — | 1:38.00 |
| 19Heat — | —Edward Zhang | Club Wolverine-M | — | 1:38.15 |
| 20Heat — | —Denzo Senekal | Blue Dolfins-FL 1:52.24L | — | 1:38.15 |
| 21Heat — | —Kingsley Wickstrom | Saint Petersburg 1:54.79L | — | 1:38.25 |
| 22Heat — | —Andreas Da Silva | Wahoo's of Welli 1:56.46L | — | 1:38.26 |
| 23Heat — | —Zaki Ibrahim | Excel Aquatics-S 1:53.82L | — | 1:38.41 |
| 24Heat — | —Carter Hadley | Carmel Swim Club 1:52.88L | — | 1:38.42 |
| 25Heat — | —Nicholas Kwan | Bolles School Sh | — | 1:38.47 |
| 26Heat — | —Will Charlton | Cavalier Aquatic 1:53.00L | — | 1:38.47 |
| 27Heat — | —Lewis Zhang | Carmel Swim Club 1:54.81L | — | 1:38.55 |
| 28Heat — | —William Alexander | Gamecock Aquatic | — | 1:38.56 |
| 29Heat — | —Drew Sito | New Wave Swim Te 1:53.91L | — | 1:38.62 |
| 30Heat — | —Carson Day | SwimMAC Carolina 1:52.75L | — | 1:38.63 |
| 31Heat — | —Joshua Lopez | Mercersburg Acad 1:53.78L | — | 1:38.78 |
| 32Heat — | —Ian Malone | Greater Pensacol | — | 1:38.79 |
| 33Heat — | —Caleb Romero Serrano | Ridgefield Aquat 1:52.54L | — | 1:38.83 |
| 34Heat — | —Coyle Moore | Tide Swimming | — | 1:38.85 |
| 34Heat — | —Liam Drake | Raleigh Swimming | — | 1:38.85 |
| 36Heat — | —Alex Wu | Central Ohio Aqu | — | 1:38.86 |
| 37Heat — | —Arjun Velayutham | Mason Manta Rays 1:54.05L | — | 1:38.97 |
| 37Heat — | —Ryan Chiu | SwimMAC Carolina 1:55.05L | — | 1:38.97 |
| 39Heat — | —Julian Granison | Wahoo's of Welli | — | 1:39.12 |
| 40Heat — | —Jacob Kim | Badger Swim Club 1:54.22L | — | 1:39.20 |
| 41Heat — | —William Shoesmith | Bolles School Sh 1:54.85L | — | 1:39.22 |
| 42Heat — | —Clay Magyar | Bolles School Sh 1:55.29L | — | 1:39.37 |
| 43Heat — | —Austin Temple | Tide Swimming | — | 1:39.40 |
| 44Heat — | —Ethan Gover | Baylor Swim Club | — | 1:39.43 |
| 45Heat — | —Eli Sweet | SwimMAC Carolina | — | 1:39.50 |
| 46Heat — | —Brady Stenson | Club Wolverine-M | — | 1:39.52 |
| 47Heat — | —Kuba Shaw | Tennessee Aquati 1:52.18L | — | 1:39.53 |
| 48Heat — | —Liam Mac Colla | 92nd Street Flyi | — | 1:39.62 |
| 49Heat — | —Jackson Cooper | Badger Swim Club | — | 1:39.66 |
| 50Heat — | —Jackson Debruin | Sarasota Sharks- 1:52.90L | — | 1:39.67 |
| 51Heat — | —Cannon Martenson | Dynamo Swim Club | — | 1:39.68 |
| 52Heat — | —Noah Walker | PiranhasYMCA of- | — | 1:39.69 |
| 53Heat — | —Cole Nelson | NOVA of Virginia 1:54.84L | — | 1:39.73 |
| 53Heat — | —Oliver Van Peteghem | SwimAtlanta-GA 1:54.69L | — | 1:39.73 |
| 55Heat — | —Charles Howard | Jupiter Dragons- | — | 1:39.75 |
| 56Heat — | —Domingo Gatti | Greater Somerset 1:54.56L | — | 1:39.76 |
| 56Heat — | —Carter Rankin | Lakeside Swim Te 1:54.00L | — | 1:39.76 |
| 58Heat — | —Alex Drachuk | Dayton Raiders-O 1:52.94L | — | 1:39.79 |
| 59Heat — | —Nazar Zoukovski | Team Pittsburgh- 1:55.20L | — | 1:39.80 |
| 60Heat — | —Kirk Morgan | All Star Aquatic | — | 1:39.84 |
| 61Heat — | —William McCaffery | Mississippi Mako | — | 1:39.88 |
| 62Heat — | —Merrick Vanscoy | SwimRise Aquatic 1:53.61L | — | 1:39.92 |
| 63Heat — | —Teddy Peterson | Mecklenburg Swim 1:54.97L | — | 1:40.03 |
| 64Heat — | —Will Lathrop | Carmel Swim Club | — | 1:40.17 |
| 65Heat — | —Max Halpern | North Carolina A 1:54.62L | — | 1:40.22 |
| 65Heat — | —Murray Reed | City of Mobile S 1:55.01L | — | 1:40.22 |
| 67Heat — | —Burak Iloglu | Scarlet Aquatics 1:55.00L | — | 1:40.37 |
| 68Heat — | —Grant Smith | Gamecock Aquatic 1:54.70L | — | 1:40.38 |
| 69Heat — | —Simon Kristensen | Utica Shelby Swi | — | 1:40.39 |
| 70Heat — | —Julian Lozano | Gulliver Swim Cl 1:55.25L | — | 1:40.40 |
| 71Heat — | —Thomas Smith | Sporting Jax Aqu | — | 1:40.41 |
| 71Heat — | —Sammy Dajusta | Upper Arlington- 1:53.43L | — | 1:40.41 |
| 73Heat — | —Sam Harper | Michigan Lakesho 1:54.70L | — | 1:40.42 |
| 74Heat — | —Owen Miklos | NOVA of Virginia 1:56.18L | — | 1:40.50 |
| 75Heat — | —Eddy Zhu | Carmel Swim Club 1:56.32L | — | 1:40.52 |
| 76Heat — | —Cono Presti | Northern KY Clip | — | 1:40.55 |
| 77Heat — | —Jake Kotz-Agramonte | Gulliver Swim Cl | — | 1:40.66 |
| 77Heat — | —Carter Kobielski | STAR Swimming-NI 1:55.09L | — | 1:40.66 |
| 77Heat — | —Dillon Brigman | Bolles School Sh 1:54.38L | — | 1:40.66 |
| 80Heat — | —Parker Hebert | Chattahoochee Go | — | 1:40.67 |
| 80Heat — | —Connor Hupman | Baylor Swim Club | — | 1:40.67 |
| 82Heat — | —Dylan Stewart | Mecklenburg Swim 1:53.73L | — | 1:40.73 |
| 83Heat — | —George Groves | Aiken-Augusta Sw 1:54.64L | — | 1:40.83 |
| 84Heat — | —Cameron Roy | H2okie Aquatics- | — | 1:40.84 |
| 84Heat — | —Grady Redding | Delaware Swim Te | — | 1:40.84 |
| 86Heat — | —Josh Farnsworth | NOVA of Virginia 1:55.28L | — | 1:40.85 |
| 87Heat — | —Hayden Lynam | Fort Wayne Swim- | — | 1:40.86 |
| 88Heat — | —Maddox Matyas | Saint Petersburg 1:54.42L | — | 1:40.99 |
| 89Heat — | —Zach Parent | Sunrise Swim Clu 1:55.27L | — | 1:41.09 |
| 89Heat — | —Camp Hartman | Bolles School Sh | — | 1:41.09 |
| 89Heat — | —Kenneth McGlothen | YMCA of Kanawha- | — | 1:41.09 |
| 92Heat — | —William Hager | SwimMAC Carolina 1:55.24L | — | 1:41.19 |
| 93Heat — | —Brady Zink | TMSC - Rockets S | — | 1:41.24 |
| 94Heat — | —Wil Jones | Kentucky Aquatic 1:56.26L | — | 1:41.29 |
| 95Heat — | —Collier Stanton | Gwinnett Aquatic | — | 1:41.42 |
| 96Heat — | —Alex Nixon | Cincinnati Marli | — | 1:41.70 |
| 97Heat — | —Blake Wool | Farmington Valle | — | 1:41.76 |
| 98Heat — | —Strader Franzese | Saint Petersburg 1:57.45L | — | 1:41.86 |
| 99Heat — | —Joey Eaddy | Revolution Aquat | — | 1:42.02 |
| 100Heat — | —Seth Hyde | Fast Falcons-FL 1:56.21L | — | 1:42.17 |
| 101Heat — | —Kohl Hanes | Naval Academy Aq | — | 1:42.23 |
| 102Heat — | —Lincoln Driesse | Sporting Jax Aqu 1:55.24L | — | 1:42.24 |
| 103Heat — | —Quinn O'Neill | Birmingham Blue- | — | 1:42.35 |
| 104Heat — | —Brayden King | Cavalier Aquatic 1:57.48L | — | 1:42.69 |
| 105Heat — | —Max Rodbell | SwimAtlanta | — | 1:43.40 |
| 106Heat — | —Radford Walker | Baylor Swim Club | — | 1:43.68 |
| 107Heat — | —Liam Schermerhorn | Saint Petersburg 1:57.68L | — | 1:44.20 |
| 108Heat — | —Trae Lewis | Supernova Swim T | — | 1:44.28 |
| 109Heat — | —Wade Chandgie | Unattached-SC/Un 1:55.28L | — | 1:44.38 |
| 110Heat — | —Jack Eaddy | Revolution Aquat | — | 1:44.69 |
| 111Heat — | —Griffin Cagle | SwimMAC Carolina | — | 1:44.86 |
| 112Heat — | —Will Hartig | 757 Swim-VA 1:56.82L | — | 1:45.03 |
| 113Heat — | —Chip Andrews | City of Mobile S | — | 1:45.55 |
| 114Heat — | —Logan Poswinski | Fort Wayne Swim- | — | 1:46.51 |
| 115Heat — | —Ashton Tan | Dynamo Swim Club | — | 1:46.60 |
| 116Heat — | —Vaughn Muir | Enfinity Aquatic | — | 1:46.68 |
| —Heat — | —Santi Alzate | SwimMAC Carolina | — | |
| —Heat — | —George Dovellos | Bolles School Sh | — | |
| —Heat — | —David Sammons | SwimMAC Carolina | — | |
| —Heat — | —Jackson Pyle | Fort Wayne Swim- | — | |
| —Heat — | —Carter Wright | Bolles School Sh | — | |
| —Heat — | —John McGaughan | Bayside Aquatics | — | NS |