| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:30.62 | 2026 Stingrays Annual Spring Break Invitational | 2026-03-06 |
| 100m Breaststroke | 1:40.48 | 2025 NRST Fall Invitational | 2025-10-25 |
| 100m Freestyle | 1:10.66 | 2026 Stingrays Annual Spring Break Invitational | 2026-03-06 |
| 100m IM | 1:23.83 | Sharks IM Sprint Endurance Challenge | 2026-02-07 |
| 200m Breaststroke | 3:33.99 | 2025 CRKW Eliminator-Invitational | 2025-11-29 |
| 200m Freestyle | 2:37.10 | 2026 VIR SC Championships | 2026-01-30 |
| 200m IM | 3:18.04 | 2025 CRKW Eliminator-Invitational | 2025-11-29 |
| 400m Freestyle | 5:40.92 | NRST Spring Break Time Trial | 2026-03-13 |
| 50m Backstroke | 41.18 | Sharks IM Sprint Endurance Challenge | 2026-02-07 |
| 50m Breaststroke | 42.29 | 2026 Stingrays Annual Spring Break Invitational | 2026-03-06 |
| 50m Butterfly | 40.10 | Sharks IM Sprint Endurance Challenge | 2026-02-07 |
| 50m Freestyle | 31.84 | 2026 VIR SC Championships | 2026-01-30 |
Martinflatt, Jachai's top personal bests include 100m Backstroke (1:30.62), 100m Breaststroke (1:40.48), 100m Freestyle (1:10.66), 100m IM (1:23.83), 200m Breaststroke (3:33.99).
Martinflatt, Jachai swims for Nanaimo Riptides Swim Team.
Martinflatt, Jachai has competed in 11 meets.