| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:11.77 | Bluefins Fall Pentathlon | 2025-11-14 |
| 100m Breaststroke | 1:21.68 | 2025 Canada Games | 2025-08-10 |
| 100m Breaststroke | 1:18.64 | Winter Waves Invitational | 2026-03-13 |
| 100m Butterfly | 1:10.20 | East Coast Championships | 2025-07-10 |
| 100m Butterfly | 1:08.95 | Icebreaker Invitational | 2026-01-30 |
| 100m Freestyle | 1:04.61 | Bluefins Fall Pentathlon | 2025-11-14 |
| 100m IM | 1:11.65 | Winter Waves Invitational | 2026-03-13 |
| 200m Breaststroke | 2:46.11 | Back to the Blocks Invitational | 2026-02-21 |
| 200m Breaststroke | 2:44.66 | Winter Waves Invitational | 2026-03-13 |
| 200m Butterfly | 2:34.42 | East Coast Championships | 2025-07-10 |
| 200m Butterfly | 2:35.27 | 2025 SNL Provincial Championships | 2025-05-30 |
| 200m IM | 2:36.00 | 2025 Canada Games | 2025-08-10 |
| 200m IM | 2:33.27 | Bluefins Fall Pentathlon | 2025-11-14 |
| 400m Freestyle | 4:45.69 | Winter Waves Invitational | 2026-03-13 |
| 400m IM | 5:32.42 | East Coast Championships | 2025-07-10 |
| 400m IM | 5:27.69 | 2025 SNL Provincial Championships | 2025-05-30 |
| 50m Backstroke | 33.10 | Icebreaker Invitational | 2026-01-30 |
| 50m Butterfly | 31.62 | Back to the Blocks Invitational | 2026-02-21 |
| 50m Freestyle | 29.72 | Icebreaker Invitational | 2026-01-30 |
Higdon, Kiarra's top personal bests include 100m Backstroke (1:11.77), 100m Breaststroke (1:21.68), 100m Breaststroke (1:18.64), 100m Butterfly (1:10.20), 100m Butterfly (1:08.95).
Higdon, Kiarra swims for St. John's Legends Swim Club.
Higdon, Kiarra has competed in 7 meets.