| Event | School | Name(s) | Time | Year |
|---|---|---|---|---|
| 200 Medley Relay | Valley | Reed Wallace Carson Copple Hayden Dinkin Charlie Bishop | 1:35.80 | 2022 |
| 200 Free | Ankeny | Trent Frandson | 1:40.71 | 2021 |
| 200 IM | Valley | Reed Wallace | 1:54.59 | 2022 |
| 50 Free | Iowa City West | Oliver Martin | :20.66 | 2017 |
| 100 Butterfly | Ankeny | Lance Swanepoel | :49.40 | 2022 |
| 100 Free | Waukee | Zach Linder | :46.19 | 2017 |
| 500 Free | Valley | Jacob Pins | 4:35.08 | 2022 |
| 200 Free Relay | Ankeny | Trent FrandsonWill Bennett Owen Schwebach Lance Swanepoel | 1:26.09 | 2021 |
| 100 Back | Valley | Reed Wallace | :51.66 | 2022 |
| 100 Breaststroke | Iowa City High | Forest Frazier | :56.06 | 2018 |
| 400 Free Relay | Ankeny | Trent FrandsonOwen Schwebach Brek Stukerjurgen Lance Swanepoel | 3:10.91 | 2021 |