| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:16.72 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 100m Breaststroke | 1:42.32 | BAD Outdoor LC Invitational | 2025-06-20 |
| 100m Breaststroke | 1:33.97 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 100m Butterfly | 1:24.80 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Butterfly | 1:23.41 | 2026 Trojan Pentathlon | 2026-03-06 |
| 100m Freestyle | 1:09.64 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Freestyle | 1:08.44 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 100m IM | 1:24.11 | 2026 Trojan Pentathlon | 2026-03-06 |
| 200m Backstroke | 2:46.65 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 200m Breaststroke | 3:47.25 | BAD Outdoor LC Invitational | 2025-06-20 |
| 200m Breaststroke | 3:22.50 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 200m Freestyle | 2:32.95 | MAC Rising Star #2 | 2025-05-30 |
| 200m Freestyle | 2:29.75 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 200m IM | 2:58.85 | MAC Rising Star #2 | 2025-05-30 |
| 200m IM | 2:57.20 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 400m Freestyle | 5:26.92 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 50m Backstroke | 39.23 | MAC Rising Star #2 | 2025-05-30 |
| 50m Backstroke | 36.62 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Breaststroke | 46.97 | MAC Rising Star #2 | 2025-05-30 |
| 50m Breaststroke | 44.95 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Butterfly | 35.58 | MAC Rising Star #2 | 2025-05-30 |
| 50m Butterfly | 35.75 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 50m Freestyle | 32.08 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 50m Freestyle | 31.21 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
Ajmera, Ishana's top personal bests include 100m Backstroke (1:16.72), 100m Breaststroke (1:42.32), 100m Breaststroke (1:33.97), 100m Butterfly (1:24.80), 100m Butterfly (1:23.41).
Ajmera, Ishana swims for Oakville Aquatic Club.
Ajmera, Ishana has competed in 9 meets.