| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:16.66 | 2026 AAA #1 LC Invitational | 2026-01-30 |
| 100m Breaststroke | 1:18.94 | Marianne Limpert Team Championship | 2026-02-05 |
| 100m Breaststroke | 1:16.39 | Provincial Invitational | 2026-03-14 |
| 100m Freestyle | 1:03.01 | Marianne Limpert Team Championship | 2026-02-05 |
| 100m Freestyle | 1:00.71 | Provincial Invitational | 2026-03-14 |
| 200m Breaststroke | 2:53.28 | East Coast Championships | 2025-07-10 |
| 200m Breaststroke | 2:46.99 | Provincial Invitational | 2026-03-14 |
| 200m Freestyle | 2:23.55 | 2026 AAA #1 LC Invitational | 2026-01-30 |
| 50m Breaststroke | 35.44 | East Coast Championships | 2025-07-10 |
| 50m Breaststroke | 34.57 | Provincial Invitational | 2026-03-14 |
| 50m Butterfly | 30.59 | Marianne Limpert Team Championship | 2026-02-05 |
| 50m Butterfly | 29.91 | Provincial Invitational | 2026-03-14 |
| 50m Freestyle | 28.98 | Marianne Limpert Team Championship | 2026-02-05 |
| 50m Freestyle | 28.23 | Provincial Invitational | 2026-03-14 |
Mercer, Anna's top personal bests include 100m Backstroke (1:16.66), 100m Breaststroke (1:18.94), 100m Breaststroke (1:16.39), 100m Freestyle (1:03.01), 100m Freestyle (1:00.71).
Mercer, Anna swims for Club Natation Bleu et Or.
Mercer, Anna has competed in 4 meets.