Viggo Costanzo at 2026 HAC Invitational
| Event | Result | Place | Date |
|---|---|---|---|
| 100m Freestyle | 1:09.92 LCM | 14 | 2026-03-29 |
| 200m Breaststroke | 3:14.88 LCM | 5 | 2026-03-29 |
| 50m Breaststroke | 38.95 LCM | 6 | 2026-03-29 |
| 100m Breaststroke | 1:25.39 LCM | 7 | 2026-03-28 |
| 50m Freestyle | 30.38 LCM | 19 | 2026-03-28 |
| 50m Backstroke | 40.89 LCM | 8 | 2026-03-28 |
| 800m Freestyle | 11:39.82 LCM | 7 | 2026-03-27 |