| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Butterfly | 1:07.62 | 2025 NYAC Cup | 2025-11-14 |
| 100m Freestyle | 59.62 | 2025 NYAC Cup | 2025-11-14 |
| 100m IM | 1:10.76 | 2025 DAL Sprint Meet | 2025-10-19 |
| 1500m Freestyle | 48.91 | 2025 NYAC Cup | 2025-11-14 |
| 200m Breaststroke | 2:59.75 | 2025 AGD Distance Central | 2025-11-01 |
| 200m Butterfly | 2:22.65 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 200m Freestyle | 2:04.96 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 400m Freestyle | 4:22.59 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 400m IM | 4:59.66 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 50m Backstroke | 33.51 | 2025 DAL Sprint Meet | 2025-10-19 |
| 50m Breaststroke | 37.85 | 2025 DAL Sprint Meet | 2025-10-19 |
| 50m Butterfly | 30.87 | 2025 NYAC Cup | 2025-11-14 |
| 50m Freestyle | 28.66 | 2025 DAL Sprint Meet | 2025-10-19 |
| 800m Freestyle | 9:11.84 | 2026 AA & AAA Winter Champs | 2026-03-05 |
MacLellan, Etta's top personal bests include 100m Butterfly (1:07.62), 100m Freestyle (59.62), 100m IM (1:10.76), 1500m Freestyle (48.91), 200m Breaststroke (2:59.75).
MacLellan, Etta swims for Halifax Trojan Aquatic Club.
MacLellan, Etta has competed in 10 meets.