| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:40.35 | OSAC Devo Challenge 2026 | 2026-02-22 |
| 100m Breaststroke | 2:04.97 | OSAC Team Challenge Short Course Swim Meet | 2025-11-14 |
| 100m Freestyle | 1:27.92 | OSAC Devo Challenge 2026 | 2026-02-22 |
| 100m IM | 1:41.30 | OSAC Devo Challenge 2026 | 2026-02-22 |
| 200m Backstroke | 3:41.53 | Otters Spooky Splash 2025 | 2025-10-24 |
| 200m Freestyle | 3:30.97 | CCSC June Invitational | 2025-06-21 |
| 200m IM | 3:55.94 | Otters Spooky Splash 2025 | 2025-10-24 |
| 400m Freestyle | 7:22.38 | OSAC All Team Time Trial 2025 | 2025-10-11 |
| 50m Backstroke | 46.80 | OSAC Team Challenge Short Course Swim Meet | 2025-11-14 |
| 50m Breaststroke | 57.26 | OSAC Team Challenge Short Course Swim Meet | 2025-11-14 |
| 50m Butterfly | 45.35 | OSAC Devo Challenge 2026 | 2026-02-22 |
| 50m Freestyle | 39.89 | Otters Spooky Splash 2025 | 2025-10-24 |
Brown, Isabelle's top personal bests include 100m Backstroke (1:40.35), 100m Breaststroke (2:04.97), 100m Freestyle (1:27.92), 100m IM (1:41.30), 200m Backstroke (3:41.53).
Brown, Isabelle swims for Owen Sound Aquatic Club.
Brown, Isabelle has competed in 5 meets.