| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Ethan Harder | 200 Y Back | Finals | 1:43.19 |
| 2 | Ethan Harder | 200 Y Back | Prelims | 1:43.51 |
| 3 | Ethan Harder | 100 Y Back | Finals | 47.59 |
| 4 | Ethan Harder | 50 Y Back | Timed Finals | 22.31 |
| 5 | Ethan Harder | 200 Y IM | Finals | 1:47.75 |
| 6 | Ethan Harder | 400 Y IM | Finals | 3:51.09 |
| 7 | Ethan Harder | 200 Y Fly | Finals | 1:46.80 |
| 8 | Ethan Harder | 200 Y Fly | Prelims | 1:47.81 |
| 9 | Ethan Harder | 100 Y Back | Prelims | 49.16 |
| 10 | Ethan Harder | 200 Y IM | Prelims | 1:49.93 |
| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Billings Aquatic Club | 200 Y Medley Relay | Timed Finals | |
| 2 | Billings Aquatic Club | 400 Y Medley Relay | Timed Finals | |
| Name | Gold | Silver | Bronze | Score | Pts | |
|---|---|---|---|---|---|---|
| 1 | Ethan Harder | 2 | 1 | 1 | 157 | 920.6 |
| 2 | Jack Leuthold | 0 | 0 | 0 | 75 | 774.8 |
| 3 | Peter Thompson | 0 | 0 | 0 | 65 | 837.8 |
| 4 | Michael Van Keuren | 0 | 0 | 0 | 12 | 725.3 |
| 5 | Brayden Arnold | 0 | 0 | 0 | 9 | 665.8 |
