| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:23.67 | LC Winter Invitational | 2026-01-30 |
| 100m Backstroke | 1:21.15 | LAC - Dr. Paul Hauch Invitational | 2025-07-05 |
| 100m Breaststroke | 1:36.14 | LAC - Nothers Fall Invitational | 2025-11-21 |
| 100m Butterfly | 1:41.19 | LAC - Dr. Paul Hauch Invitational | 2025-07-05 |
| 100m Freestyle | 1:08.26 | LC Winter Invitational | 2026-01-30 |
| 100m Freestyle | 1:08.14 | LAC - Nothers Fall Invitational | 2025-11-21 |
| 200m Backstroke | 2:59.06 | LAC - Nothers Fall Invitational | 2025-11-21 |
| 200m Freestyle | 2:40.59 | LC Winter Invitational | 2026-01-30 |
| 200m Freestyle | 2:41.63 | LAC - Nothers Fall Invitational | 2025-11-21 |
| 200m IM | 3:07.61 | LAC - Dr. Paul Hauch Invitational | 2025-07-05 |
| 50m Backstroke | 39.09 | LC Winter Invitational | 2026-01-30 |
| 50m Backstroke | 37.17 | LAC - Nothers Fall Invitational | 2025-11-21 |
| 50m Breaststroke | 42.88 | LC Winter Invitational | 2026-01-30 |
| 50m Breaststroke | 42.28 | LAC - Nothers Fall Invitational | 2025-11-21 |
| 50m Freestyle | 30.18 | LC Winter Invitational | 2026-01-30 |
| 50m Freestyle | 30.10 | LAC - Nothers Fall Invitational | 2025-11-21 |
Kobal, Isaac's top personal bests include 100m Backstroke (1:23.67), 100m Backstroke (1:21.15), 100m Breaststroke (1:36.14), 100m Butterfly (1:41.19), 100m Freestyle (1:08.26).
Kobal, Isaac swims for St. Thomas Jumbo Jets.
Kobal, Isaac has competed in 5 meets.