| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:44.26 | 2026 Manta Grand Prix | 2026-02-20 |
| 100m Breaststroke | 2:01.20 | 2026 Manta Grand Prix | 2026-02-20 |
| 100m Freestyle | 1:31.22 | 2026 Manta Grand Prix | 2026-02-20 |
| 200m IM | 3:47.68 | 2026 Manta Grand Prix | 2026-02-20 |
| 25m Backstroke | 23.04 | Bison Sprint IM Invitational | 2025-10-18 |
| 25m Butterfly | 27.37 | Bison Sprint IM Invitational | 2026-01-10 |
| 50m Backstroke | 50.58 | Bison Sprint IM Invitational | 2025-10-18 |
| 50m Breaststroke | 56.82 | St. James Seals Invitational | 2026-01-23 |
| 50m Freestyle | 41.29 | 2026 Manta Grand Prix | 2026-02-20 |
Barnett, Jaxon's top personal bests include 100m Backstroke (1:44.26), 100m Breaststroke (2:01.20), 100m Freestyle (1:31.22), 200m IM (3:47.68), 25m Backstroke (23.04).
Barnett, Jaxon swims for Manta Swim Club.
Barnett, Jaxon has competed in 6 meets.