| Event | Time | Date | Record-holder(s) | Team | |
|---|---|---|---|---|---|
| 1m Diving (6 dives) | 310.15 | 1990 | José Hidalgo | Iowa City - City High School | |
| 1m Diving (11 dives) | |||||
| 50 Freestyle | :22.25 | 28 Jan 199? | Ryan Gill | Dubuque Senior High School | |
| 100 Freestyle | :49.13 | 23 Jan 1993 | Jacob Everhart | Iowa City - City High School | |
| 200 Freestyle | 1:49.97 | 24 Jan 1995 | Kamden Draper | Iowa City - City High School | |
| 500 Freestyle | 4:49.20 | 21 Jan 1989 | Jim Lee | Iowa City - City High School | |
| 1000 Freestyle | |||||
| 1650 Freestyle | |||||
| 100 Backstroke | :56.29 | 17 Dec 1998 | Tyler Luebke | Iowa City West High School | |
| 200 Backstroke | |||||
| 100 Breaststroke | 1:04.57 | 2 Feb 1991 | Todd Hamer | Iowa City - City High School | |
| 200 Breaststroke | |||||
| 100 Butterfly | :53.74 | 23 Jan 1993 | Mike Zimmerman | Iowa City West High School | |
| 200 Butterfly | |||||
| 200 I.M. | 2:02.66 | 23 Jan 1993 | Mike Zimmerman | Iowa City West High School | |
| 400 I.M. | |||||
| 200 Freestyle Relay | 1:34.20 | 23 Jan 1997 | Michael Officer, Nathan Kron, John Pirnat, Tyler Luebke | Iowa City Swimming (City/West) | |
| 400 Freestyle Relay | 3:22.43 | 23 Jan 1993 | Kamden Draper, Victor Sosa, Jacob Everhart, Ryan Jackson | Iowa City - City High School | |
| 800 Freestyle Relay | |||||
| 200 Medley Relay | 1:42.64 | 23 Jan 1993 | Ryan Jackson, Jacob Everhart, Victor Sosa, Matt Hamer | Iowa City - City High School | |
| 400 Medley Relay |