| Event 1 Boys 200 Yard Medley Relay | ||||
| School | Prelim Time | |||
| Preliminaries | ||||
| 1 | Central (Cape Girardeau) | 1:36.71# | ||
| 2 | Parkway West | 01:39.5 | ||
| 3 | Carthage | 01:40.4 | ||
| 4 | Ladue Horton Watkins | 01:41.2 | ||
| 5 | Glendale | 01:41.5 | ||
| 6 | Monett | 01:42.0 | ||
| *7 | Platte County | 01:42.9 | ||
| *7 | Park Hill South | 01:42.9 | ||
| 9 | MICDS | 01:43.8 | ||
| 10 | Webster Groves | 01:44.2 | ||
| 11 | Staley | 01:44.5 | ||
| 12 | Chaminade | 01:44.6 | ||
| 13 | Raytown | 01:44.7 | ||
| 14 | Clayton | 01:44.9 | ||
| 15 | Parkway Central | 01:45.3 | ||
| 16 | Kearney | 01:45.7 | ||
| 17 | Warrensburg | 01:45.9 | ||
| 18 | Central (Springfield) | 01:47.1 | ||
| 19 | St Francis Borgia | 01:47.7 | ||
| 20 | Fort Zumwalt South | 01:47.8 | ||
| 21 | Belton | 01:48.1 | ||
| 22 | Lutheran St Charles | 01:48.6 | ||
| 23 | Liberty (Wentzville) | 01:48.9 | ||
| 24 | Nevada | 01:49.2 | ||
| 25 | John Burroughs | 01:50.2 | ||
| 26 | Westminster Christian | 01:50.2 | ||
| 27 | Fort Zumwalt North | 01:52.2 | ||
| 28 | Notre Dame (Cape Girardeau) | 01:52.9 | ||
| 29 | Vianney | 01:53.1 | ||
| 30 | Oak Park | 01:55.0 | ||
| 31 | Webb City | 01:56.0 | ||
| 32 | Ozark | 02:04.9 | ||
| Event 2 Boys 200 Yard Freestyle | ||||
| Name | Yr | School | Prelim Time | |
| Preliminaries | ||||
| 1 | Evan Holt | Jr. | Kearney | 1:41.32# |
| 2 | Austin Wolfe | Sr. | Kearney | 01:42.2 |
| 3 | Ethan Bergmann | Sr. | Logan-Rogersville | 01:43.0 |
| 4 | Daniel Seabaugh | So. | Central (Cape Girardeau) | 01:43.1 |
| 5 | Cole Smith | Sr. | Ozark | 01:44.4 |
| 6 | Chris Weiss | Sr. | Glendale | 01:44.6 |
| 7 | Kazu Gavin | Sr. | Parkway Central | 01:46.5 |
| 8 | Truman Vines | So. | Central (Cape Girardeau) | 01:47.1 |
| 9 | Reid Rogers | Sr. | Ladue Horton Watkins | 01:47.5 |
| 10 | Koji Barrette | So. | Clayton | 01:48.6 |
| 11 | Carter White | Jr. | Kearney | 01:49.7 |
| 12 | John Ransin | So. | Parkway West | 01:50.6 |
| 13 | Zander Livingston | Fr. | Park Hill South | 01:51.4 |
| 14 | Xavier Torres | So. | Chaminade | 01:52.3 |
| 15 | Jack Barta | Sr. | Monett | 01:52.4 |
| 16 | Jack Duffy | Jr. | North Kansas City | 01:52.9 |
| 17 | Andrew Atwood | So. | Logan-Rogersville | 01:52.9 |
| 18 | Dixon Bezzant | Sr. | Ladue Horton Watkins | 01:53.1 |
| 19 | Noah Unger | So. | Ladue Horton Watkins | 01:53.6 |
| 20 | Hayden Christiansen | Fr. | Parkway Central | 01:53.7 |
| 21 | Drew Beussink | Sr. | Notre Dame (Cape Girardeau) | 01:53.7 |
| 22 | John Kiefner | Sr. | Central (Cape Girardeau) | 01:53.9 |
| 23 | Blake Schamma | So. | Ozark | 01:54.2 |
| 24 | Eddie Ko | Sr. | John Burroughs | 01:54.6 |
| 25 | Nathan Budiman | So. | Parkway West | 01:54.9 |
| 26 | Fred Farrand | Sr. | Raytown | 01:55.0 |
| 27 | Alex Nozka | Jr. | Parkway West | 01:55.1 |
| 28 | Colin McNew | Fr. | Glendale | 01:55.4 |
| 29 | Sam Garza | Fr. | Ladue Horton Watkins | 01:55.4 |
| 30 | Noah Ceballos | Jr. | Rockwood Summit | 01:56.1 |
| 31 | Reese Meyer | Fr. | Kearney | 01:56.4 |
| Event 3 Boys 200 Yard IM | ||||
| Name | Yr | School | Prelim Time | |
| Preliminaries | ||||
| 1 | Brogan Davis | Sr. | Central (Cape Girardeau) | 1:54.26# |
| 2 | Robbie Hill | So. | Oak Park | 01:57.2 |
| 3 | AJ Huskey | So. | Battle | 01:57.9 |
| 4 | Sam Hahs | Sr. | Central (Cape Girardeau) | 01:58.6 |
| 5 | Henry Feyh | Sr. | Glendale | 01:58.8 |
| 6 | Matthew States | Jr. | Lutheran St Charles | 02:00.9 |
| 7 | Payton Williams | Sr. | Carthage | 02:01.6 |
| 8 | Daniel Black | Sr. | Kearney | 02:02.6 |
| 9 | Chris McNew | Sr. | Glendale | 02:02.8 |
| 10 | Eric Ji | Fr. | MICDS | 02:02.8 |
| 11 | Joseph Tetlow | So. | Central (Springfield) | 02:03.2 |
| 12 | Wil Welch | Jr. | Clayton | 02:04.3 |
| 13 | Michael Raskin | Sr. | Ladue Horton Watkins | 02:04.3 |
| 14 | Charlie Duffy | Jr. | Staley | 02:05.2 |
| 15 | Spencer Hyatt | Fr. | Parkway Central | 02:05.7 |
| 16 | Christopher Frederick | Jr. | Parkway West | 02:06.1 |
| 17 | Daniel Kuropka | Sr. | William Chrisman | 02:06.3 |
| 18 | Patrick Unterreiner | Jr. | Webster Groves | 02:07.1 |
| 19 | Carter Murawski | Fr. | Parkway West | 02:07.2 |
| 20 | Greg Dreisewerd | Fr. | MICDS | 02:07.3 |
| 21 | Spencer Adamson | Fr. | Staley | 02:09.5 |
| 22 | Carter Woods | Fr. | Kearney | 02:09.7 |
| 23 | Ben Evra | So. | Clayton | 02:10.6 |
| 24 | Chris Wissmann | Fr. | Park Hill South | 02:11.7 |
| 25 | Kadin Horner | Jr. | Logan-Rogersville | 02:11.8 |
| 26 | Michael Tu | Fr. | John Burroughs | 02:11.9 |
| 27 | Leonard Chen | Jr. | Clayton | 02:12.0 |
| 28 | Finn Hefferren | Fr. | Park Hill South | 02:12.0 |
| 29 | Adam Hecht | Sr. | Jackson | 02:15.3 |
| 30 | Jon Zhang | So. | MICDS | 02:16.0 |
| 31 | Matthew Hobbs | Jr. | Kearney | 02:16.5 |
| 32 | Ben Steeleman | So. | Central (Cape Girardeau) | 02:17.0 |
| Event 4 Boys 50 Yard Freestyle | ||||
| Name | Yr | School | Prelim Time | |
| Preliminaries | ||||
| 1 | Grant Sloan | Sr. | Kearney | 20.51# |
| 2 | Hyrum Dickson | Jr. | Central (Cape Girardeau) | 21.42 |
| 3 | Ben Hines | Fr. | Nevada | 21.7 |
| 4 | Seth Jensen | Sr. | Webb City | 22.08 |
| 5 | Sam Beatty | Jr. | Glendale | 22.25 |
| 6 | Ian Herling | Jr. | Liberty (Wentzville) | 22.28 |
| 7 | Caden DeLay | Sr. | Platte County | 22.29 |
| 8 | Blake Tuder | Sr. | Raytown | 22.36 |
| 9 | Brendan Hutchison | So. | Fort Zumwalt East | 22.37 |
| 10 | Evan Bohlman | Sr. | North Kansas City | 22.39 |
| 11 | Patrick Finnane | Sr. | Warrensburg | 22.41 |
| 12 | Chris Swanson | Sr. | MICDS | 22.53 |
| 13 | Alec Zhou | Sr. | Parkway West | 22.58 |
| 14 | Chanz Silkey | Sr. | Logan-Rogersville | 22.65 |
| 15 | Matt Dean | Sr. | Ozark | 22.75 |
| 16 | Jaylan Butler | Sr. | Hazelwood East | 22.84 |
| 17 | Courtney Schuchardt | Sr. | Affton | 22.86 |
| 18 | Chris Ball | Sr. | Webster Groves | 22.89 |
| 19 | Zaide Johnson | Jr. | Parkway West | 22.93 |
| 20 | Issac Smith | Sr. | Park Hill South | 23 |
| 21 | Luyi Gao | Jr. | Ladue Horton Watkins | 23.05 |
| 22 | Robert Halsted | Jr. | St Francis Borgia | 23.08 |
| 23 | Nathan Noll | Fr. | Smithville | 23.17 |
| 24 | Jared Crites | Sr. | Raytown | 23.26 |
| 25 | Brandon Pemberton | Jr. | Jackson | 23.27 |
| 26 | Isaac Lee | Jr. | Park Hill South | 23.36 |
| 27 | Nicholas Hux | So. | Notre Dame (Cape Girardeau) | 23.47 |
| 28 | Miles Frazier | Sr. | Central (Cape Girardeau) | 23.48 |
| 29 | Nicholas Trainor | Fr. | Pembroke Hill | 23.53 |
| 30 | Blaise McCoy | Jr. | St Pius X (Kansas City) | 23.56 |
| 31 | Jacob Lentin | Sr. | Parkway Central | 23.58 |
| 32 | Josef Bernabe | Jr. | Camdenton | 23.69 |
| 33 | Collin Smith | Jr. | Battle | 23.81 |
| Event 6 Boys 100 Yard Butterfly | ||||
| Name | Yr | School | Prelim Time | |
| Preliminaries | ||||
| 1 | Brogan Davis | Sr. | Central (Cape Girardeau) | 51.30# |
| 2 | Robbie Hill | So. | Oak Park | 52.86 |
| 3 | Andrew Atwood | So. | Logan-Rogersville | 53.64 |
| 4 | Carter White | Jr. | Kearney | 54.06 |
| 5 | Truman Vines | So. | Central (Cape Girardeau) | 54.49 |
| 6 | Drew Tallent | Sr. | McCluer | 54.74 |
| 7 | William He | So. | Fort Zumwalt South | 54.89 |
| 8 | Spencer Adamson | Fr. | Staley | 54.99 |
| 9 | Brandon Yan | Jr. | Ladue Horton Watkins | 55.27 |
| 10 | Alex Benduski | Sr. | Ladue Horton Watkins | 55.29 |
| 11 | Wil Welch | Jr. | Clayton | 55.38 |
| 12 | Andrew Simily | Sr. | St Francis Borgia | 55.49 |
| 13 | Jack Duffy | Jr. | North Kansas City | 55.6 |
| 14 | Daniel Kuropka | Sr. | William Chrisman | 55.65 |
| 15 | Christian Lynch | Sr. | Raytown | 56.09 |
| 16 | Dylan Calhoon | Sr. | Carthage | 56.69 |
| 17 | Jeremy Acosta | So. | Smith-Cotton | 56.89 |
| 18 | Logan Umfleet | So. | Monett | 56.94 |
| 19 | Jackson Fox | Fr. | MICDS | 56.95 |
| 20 | Jaylan Butler | Sr. | Hazelwood East | 57 |
| 21 | Jack Henry | Jr. | Raytown | 57.02 |
| 22 | Parker Cantrell | Jr. | Marshfield | 57.31 |
| 23 | Jack Maxton | Fr. | Central (Cape Girardeau) | 57.82 |
| 24 | Chris Wissmann | Fr. | Park Hill South | 58.12 |
| *25 | Matthew Gelfman | Sr. | John Burroughs | 58.15 |
| *25 | Cody Beeler | Sr. | Park Hill South | 58.15 |
| 27 | Anthony Etzel | Fr. | Chaminade | 58.66 |
| 28 | Kelly McGhee | Sr. | Central (Cape Girardeau) | 58.8 |
| 29 | Micah Brant | So. | Kearney | 59.1 |
| 30 | Ryan Elkins | Sr. | Fort Zumwalt South | 59.3 |
| 31 | Joey Lake | Jr. | Oak Park | 01:00.3 |
| 32 | Avery Fredman | Sr. | Ladue Horton Watkins | 01:00.5 |
| Event 7 Boys 100 Yard Freestyle | ||||
| Name | Yr | School | Prelim Time | |
| Preliminaries | ||||
| 1 | Jacob Bening | So. | Central (Cape Girardeau) | 46.85# |
| 2 | Austin Wolfe | Sr. | Kearney | 46.92 |
| 3 | Ethan Bergmann | Sr. | Logan-Rogersville | 47.51 |
| 4 | Jackson Garrett | Jr. | Park Hill South | 48.07 |
| 5 | Ben Hines | Fr. | Nevada | 48.09 |
| 6 | Sam Beatty | Jr. | Glendale | 48.19 |
| 7 | Blake Tuder | Sr. | Raytown | 49.03 |
| 8 | Seth Jensen | Sr. | Webb City | 49.04 |
| 9 | Robert Halsted | Jr. | St Francis Borgia | 49.2 |
| 10 | Luyi Gao | Jr. | Ladue Horton Watkins | 49.79 |
| 11 | Patrick Finnane | Sr. | Warrensburg | 49.88 |
| 12 | Matt Dean | Sr. | Ozark | 50.19 |
| 13 | Brendan Hutchison | So. | Fort Zumwalt East | 50.25 |
| 14 | Evan Bohlman | Sr. | North Kansas City | 50.26 |
| 15 | Nathan Noll | Fr. | Smithville | 50.64 |
| 16 | Issac Smith | Sr. | Park Hill South | 50.91 |
| 17 | Blaise McCoy | Jr. | St Pius X (Kansas City) | 51.23 |
| 18 | Nicholas Hux | So. | Notre Dame (Cape Girardeau) | 51.33 |
| 19 | Chris Swanson | Sr. | MICDS | 51.49 |
| 20 | Caleb Fisher | Jr. | Glendale | 51.7 |
| 21 | Zaide Johnson | Jr. | Parkway West | 51.76 |
| 22 | Chanz Silkey | Sr. | Logan-Rogersville | 51.78 |
| 23 | Matthew Graham | Sr. | Clayton | 51.83 |
| 24 | Jerry Orozco | Sr. | Platte County | 52.05 |
| 25 | Isaac Lee | Jr. | Park Hill South | 52.1 |
| 26 | Blake Lawson | Jr. | Fort Zumwalt South | 52.15 |
| 27 | Nicholas Trainor | Fr. | Pembroke Hill | 52.43 |
| 28 | Alex Beall | Jr. | Platte County | 52.6 |
| 29 | Aaron Richardson | Sr. | Raytown | 52.8 |
| — | Courtney Schuchardt | Sr. | Affton | DQ |
| — | Hyrum Dickson | Jr. | Central (Cape Girardeau) | DQ |
| — | Charlie Duffy | Jr. | Staley | DFS |
| Event 8 Boys 500 Yard Freestyle | ||||
| Name | Yr | School | Prelim Time | |
| Preliminaries | ||||
| 1 | Evan Holt | Jr. | Kearney | 4:35.39# |
| 2 | Daniel Seabaugh | So. | Central (Cape Girardeau) | 04:41.2 |
| 3 | Chris Weiss | Sr. | Glendale | 04:42.9 |
| 4 | Cole Smith | Sr. | Ozark | 04:44.7 |
| 5 | Kazu Gavin | Sr. | Parkway Central | 04:47.3 |
| 6 | AJ Huskey | So. | Battle | 04:47.7 |
| 7 | Reid Rogers | Sr. | Ladue Horton Watkins | 04:49.6 |
| 8 | Koji Barrette | So. | Clayton | 04:54.3 |
| 9 | John Ransin | So. | Parkway West | 04:59.5 |
| 10 | Greg Dreisewerd | Fr. | MICDS | 05:04.1 |
| 11 | Zander Livingston | Fr. | Park Hill South | 05:04.4 |
| 12 | Noah Unger | So. | Ladue Horton Watkins | 05:09.1 |
| 13 | Clell Burdiss | Fr. | Park Hill South | 05:09.2 |
| 14 | Dixon Bezzant | Sr. | Ladue Horton Watkins | 05:09.3 |
| 15 | Franklin Liu | Fr. | Ladue Horton Watkins | 05:10.9 |
| 16 | Colin McNew | Fr. | Glendale | 05:11.9 |
| 17 | Blake Schamma | So. | Ozark | 05:13.7 |
| 18 | Mathew Noonan | Fr. | Chaminade | 05:15.2 |
| 19 | Caleb Terschak | Jr. | Westminster Christian | 05:16.7 |
| 20 | Nathan Budiman | So. | Parkway West | 05:17.1 |
| 21 | Fred Farrand | Sr. | Raytown | 05:17.3 |
| 22 | Fletcher Burns | So. | Park Hill South | 05:17.7 |
| 23 | Reese Meyer | Fr. | Kearney | 05:20.0 |
| 24 | Jake Balmas | So. | Monett | 05:22.3 |
| 25 | Zane Reavley | Fr. | Park Hill South | 05:22.8 |
| 26 | Carter Woods | Fr. | Kearney | 05:24.6 |
| 27 | Matt Stephens | Sr. | Parkway Central | 05:25.0 |
| 28 | Eddie Ko | Sr. | John Burroughs | 05:25.8 |
| 29 | Andrew Jelliss | So. | Parkway North | 05:28.1 |
| 30 | Jack Maxton | Fr. | Central (Cape Girardeau) | 05:28.2 |
| 31 | Devon Tallent | So. | McCluer | 05:41.8 |
| Event 9 Boys 200 Yard Freestyle Relay | ||||
| School | Prelim Time | |||
| Preliminaries | ||||
| 1 | Kearney | 1:27.96# | ||
| 2 | Central (Cape Girardeau) | 01:29.7 | ||
| 3 | Raytown | 01:31.6 | ||
| 4 | Logan-Rogersville | 01:31.7 | ||
| 5 | Park Hill South | 01:32.1 | ||
| 6 | Carthage | 01:32.4 | ||
| 7 | Chaminade | 01:32.6 | ||
| 8 | Monett | 01:33.3 | ||
| 9 | Ladue Horton Watkins | 01:33.9 | ||
| 10 | Webster Groves | 01:34.1 | ||
| 11 | Liberty (Wentzville) | 01:34.3 | ||
| 12 | Glendale | 01:34.3 | ||
| 13 | Parkway West | 01:34.5 | ||
| 14 | Parkway Central | 01:35.4 | ||
| 15 | Webb City | 01:35.7 | ||
| 16 | Notre Dame (Cape Girardeau) | 01:35.9 | ||
| 17 | Ozark | 01:35.9 | ||
| 18 | Platte County | 01:36.3 | ||
| 19 | Staley | 01:36.3 | ||
| 20 | Rockwood Summit | 01:36.4 | ||
| 21 | Central (Springfield) | 01:36.5 | ||
| 22 | John Burroughs | 01:36.9 | ||
| 23 | Clayton | 01:36.9 | ||
| 24 | Westminster Christian | 01:37.3 | ||
| 25 | Fort Zumwalt East | 01:37.4 | ||
| 26 | North Kansas City | 01:37.5 | ||
| 27 | Pembroke Hill | 01:38.3 | ||
| 28 | Vianney | 01:39.7 | ||
| 29 | MICDS | 01:42.3 | ||
| 30 | Oak Park | 01:43.2 | ||
| 31 | Belton | 01:49.5 | ||
| — | Nevada | DQ | ||
| Event 10 Boys 100 Yard Backstroke | ||||
| Name | Yr | School | Prelim Time | |
| Preliminaries | ||||
| 1 | Jacob Bening | So. | Central (Cape Girardeau) | 51.76# |
| 2 | Jackson Garrett | Jr. | Park Hill South | 52.38 |
| 3 | Christopher Frederick | Jr. | Parkway West | 55.44 |
| 4 | Alex Benduski | Sr. | Ladue Horton Watkins | 55.64 |
| 5 | Chris Ball | Sr. | Webster Groves | 56.16 |
| *6 | Josh Terrell | Sr. | Warrensburg | 56.47 |
| *6 | Matthew Graham | Sr. | Clayton | 56.47 |
| 8 | Eric Ji | Fr. | MICDS | 56.76 |
| 9 | Alex Beall | Jr. | Platte County | 56.83 |
| 10 | Owen Pape | Jr. | Chaminade | 57.27 |
| 11 | Drew Tallent | Sr. | McCluer | 57.48 |
| 12 | Payton Williams | Sr. | Carthage | 57.65 |
| 13 | Jackson Fox | Fr. | MICDS | 58.12 |
| 14 | Hayden Christiansen | Fr. | Parkway Central | 58.29 |
| 15 | Christian Boll | Jr. | Oakville | 58.79 |
| 16 | Jeremy Acosta | So. | Smith-Cotton | 58.87 |
| 17 | Gabe Carlson | Sr. | Fort Zumwalt North | 59.06 |
| 18 | Christian Lynch | Sr. | Raytown | 59.42 |
| 19 | Michael Tu | Fr. | John Burroughs | 59.44 |
| 20 | Jerry Orozco | Sr. | Platte County | 59.81 |
| 21 | Brandon Yan | Jr. | Ladue Horton Watkins | 59.96 |
| 22 | Kadin Horner | Jr. | Logan-Rogersville | 59.98 |
| 23 | Andrew McIllwain | So. | Glendale | 01:00.2 |
| 24 | Nate Shaw | Fr. | Park Hill South | 01:00.2 |
| 25 | Fletcher Burns | So. | Park Hill South | 01:00.3 |
| 26 | Vaughn Sloan | Fr. | Kearney | 01:00.6 |
| 27 | Caleb Fisher | Jr. | Glendale | 01:00.6 |
| 28 | Caleb Terschak | Jr. | Westminster Christian | 01:00.8 |
| 29 | Parker Cantrell | Jr. | Marshfield | 01:00.8 |
| 30 | Tristen Miller | Jr. | Belton | 01:00.9 |
| 31 | Franklin Liu | Fr. | Ladue Horton Watkins | 01:01.2 |
| 32 | Zach Myers | Jr. | Liberty (Wentzville) | 01:03.2 |
| Event 11 Boys 100 Yard Breaststroke | ||||
| Name | Yr | School | Prelim Time | |
| Preliminaries | ||||
| 1 | Sam Hahs | Sr. | Central (Cape Girardeau) | 57.66# |
| 2 | Grant Sloan | Sr. | Kearney | 57.85 |
| 3 | Matthew States | Jr. | Lutheran St Charles | 59.47 |
| 4 | Henry Feyh | Sr. | Glendale | 01:00.1 |
| 5 | Caden DeLay | Sr. | Platte County | 01:00.6 |
| 6 | Chris McNew | Sr. | Glendale | 01:00.7 |
| 7 | Carter Murawski | Fr. | Parkway West | 01:01.1 |
| 8 | Tyler Godsey | Jr. | Kearney | 01:02.0 |
| 9 | Daniel Black | Sr. | Kearney | 01:02.0 |
| 10 | Alec Zhou | Sr. | Parkway West | 01:02.2 |
| 11 | Brayden Cole | So. | Carthage | 01:02.5 |
| 12 | Jude Rosebaugh | Jr. | Monett | 01:02.6 |
| 13 | Patrick Unterreiner | Jr. | Webster Groves | 01:02.7 |
| 14 | Logan Podhorsky | Fr. | Fort Zumwalt East | 01:02.7 |
| 15 | Nate Meyer | Sr. | Kearney | 01:02.7 |
| 16 | Collin Smith | Jr. | Battle | 01:03.2 |
| 17 | Michael Raskin | Sr. | Ladue Horton Watkins | 01:03.3 |
| 18 | Cody Beeler | Sr. | Park Hill South | 01:03.8 |
| 19 | Spencer Hyatt | Fr. | Parkway Central | 01:04.0 |
| 20 | Andrew Costabile | Sr. | Belton | 01:04.1 |
| 21 | Will Young | Sr. | Chaminade | 01:04.8 |
| 22 | Patrick Hefferren | Jr. | Park Hill South | 01:05.2 |
| 23 | Zac Elliott | So. | Warrensburg | 01:05.4 |
| 24 | John Kiefner | Sr. | Central (Cape Girardeau) | 01:06.1 |
| 25 | Baxter Stone | So. | Platte County | 01:06.2 |
| 26 | Leonard Chen | Jr. | Clayton | 01:06.5 |
| 27 | Ben Steeleman | So. | Central (Cape Girardeau) | 01:06.6 |
| 28 | Adam Hecht | Sr. | Jackson | 01:06.7 |
| 29 | Jon Zhang | So. | MICDS | 01:07.4 |
| *30 | Finn Hefferren | Fr. | Park Hill South | 01:08.6 |
| *30 | Aaron Acker | Fr. | Raytown | 01:08.6 |
| — | Joseph Tetlow | So. | Central (Springfield) | DQ |
| Event 12 Boys 400 Yard Freestyle Relay | ||||
| School | Prelim Time | |||
| Preliminaries | ||||
| 1 | Kearney | 3:13.66# | ||
| 2 | Central (Cape Girardeau) | 03:14.0 | ||
| 3 | Ladue Horton Watkins | 03:16.9 | ||
| 4 | Glendale | 03:17.8 | ||
| 5 | Logan-Rogersville | 03:21.6 | ||
| 6 | Raytown | 03:22.2 | ||
| 7 | Clayton | 03:22.8 | ||
| 8 | Park Hill South | 03:24.2 | ||
| 9 | Parkway West | 03:24.9 | ||
| 10 | Monett | 03:25.2 | ||
| 11 | Staley | 03:26.7 | ||
| 12 | MICDS | 03:29.4 | ||
| 13 | Ozark | 03:30.1 | ||
| 14 | St Francis Borgia | 03:30.4 | ||
| 15 | Parkway Central | 03:31.3 | ||
| 16 | John Burroughs | 03:32.1 | ||
| 17 | Carthage | 03:32.2 | ||
| 18 | Notre Dame (Cape Girardeau) | 03:32.6 | ||
| 19 | Fort Zumwalt South | 03:34.3 | ||
| 20 | Liberty (Wentzville) | 03:35.3 | ||
| 21 | Platte County | 03:35.6 | ||
| 22 | North Kansas City | 03:36.9 | ||
| 23 | Webb City | 03:37.7 | ||
| 24 | Webster Groves | 03:38.5 | ||
| 25 | Westminster Christian | 03:38.5 | ||
| 26 | Warrensburg | 03:39.7 | ||
| 27 | Fort Zumwalt East | 03:41.1 | ||
| 28 | Lutheran St Charles | 03:43.2 | ||
| 29 | Parkway North | 03:45.9 | ||
| 30 | Nevada | 03:49.8 | ||
| 31 | Belton | 03:50.1 | ||
| — | Chaminade | DQ | ||
