| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:09.54 | MAC Rising Star #2 | 2025-05-30 |
| 100m Backstroke | 1:07.65 | RHAC Fall Classic 2025 | 2025-10-24 |
| 100m Breaststroke | 1:33.57 | Scar Pan Am Winter Classic | 2026-01-16 |
| 100m Breaststroke | 1:25.73 | 2025 Alan Swanston Classic | 2025-12-05 |
| 100m Butterfly | 1:12.65 | MAC Rising Star #2 | 2025-05-30 |
| 100m Butterfly | 1:14.15 | RHAC Fall Classic 2025 | 2025-10-24 |
| 100m Freestyle | 1:03.98 | 2026 MMST GTA Skins | 2026-02-13 |
| 100m Freestyle | 1:02.70 | 2025 Alan Swanston Classic | 2025-12-05 |
| 200m Backstroke | 2:27.50 | 2025 Age Group International LC | 2025-06-05 |
| 200m Backstroke | 2:26.49 | 2025 Alan Swanston Classic | 2025-12-05 |
| 200m Freestyle | 2:21.10 | 2025 Age Group International LC | 2025-06-05 |
| 200m Freestyle | 2:20.85 | 2025 Alan Swanston Classic | 2025-12-05 |
| 200m IM | 2:38.53 | 2025 Age Group International LC | 2025-06-05 |
| 200m IM | 2:33.59 | 2025 Alan Swanston Classic | 2025-12-05 |
| 400m Freestyle | 4:58.11 | RHAC Winter Invitational 2026 | 2026-01-16 |
| 400m Freestyle | 4:56.87 | 2025 Fall Distance Time Trial | 2025-11-15 |
| 50m Backstroke | 33.19 | 2025 Age Group International LC | 2025-06-05 |
| 50m Backstroke | 32.02 | 2025 Alan Swanston Classic | 2025-12-05 |
| 50m Butterfly | 32.37 | 2026 MMST GTA Skins | 2026-02-13 |
| 50m Freestyle | 30.13 | Scar Pan Am Winter Classic | 2026-01-16 |
| 50m Freestyle | 29.92 | RHAC Fall Classic 2025 | 2025-10-24 |
| 800m Freestyle | 10:25.91 | MAC Rising Star #2 | 2025-05-30 |
| 800m Freestyle | 9:58.21 | 2025 Fall Distance Time Trial | 2025-11-15 |
Fukamachi-Jones, Nanami's top personal bests include 100m Backstroke (1:09.54), 100m Backstroke (1:07.65), 100m Breaststroke (1:33.57), 100m Breaststroke (1:25.73), 100m Butterfly (1:12.65).
Fukamachi-Jones, Nanami swims for Newmarket Stingrays Swim Club.
Fukamachi-Jones, Nanami has competed in 8 meets.