| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:26.27 | AA Age Group Development Meet & Nova Tech #4 C | 2026-02-14 |
| 100m Butterfly | 1:37.85 | Age Group Development #3 | 2025-11-22 |
| 100m Freestyle | 1:15.83 | AA Age Group Development Meet & Nova Tech #4 C | 2026-02-14 |
| 1500m Freestyle | 5:55.51 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 200m Backstroke | 3:14.86 | AA Age Group Development Meet & Nova Tech #4 C | 2026-02-14 |
| 200m Butterfly | 3:43.85 | AA Age Group Development Meet & Nova Tech #4 C | 2026-02-14 |
| 200m Freestyle | 2:39.83 | 2025 Candy Cane Invitational | 2025-12-12 |
| 200m IM | 3:08.66 | 2025 Candy Cane Invitational | 2025-12-12 |
| 400m Freestyle | 5:28.37 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 400m IM | 6:54.05 | AA Age Group Development Meet & Nova Tech #4 C | 2026-02-14 |
| 50m Backstroke | 39.46 | Age Group Development #3 | 2025-11-22 |
| 50m Breaststroke | 47.12 | AA Spring Champs | 2025-06-06 |
| 50m Butterfly | 38.65 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 50m Freestyle | 33.74 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 800m Freestyle | 11:23.39 | 2026 AA & AAA Winter Champs | 2026-03-05 |
Harrison, Rebecca's top personal bests include 100m Backstroke (1:26.27), 100m Butterfly (1:37.85), 100m Freestyle (1:15.83), 1500m Freestyle (5:55.51), 200m Backstroke (3:14.86).
Harrison, Rebecca swims for Dartmouth Crusaders Swim Club.
Harrison, Rebecca has competed in 5 meets.