swimNaomi Hayasaka
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 28.54 | 2022-12-10 | HI 2022 Oahu BC Meet venue | |
| 50 Freestyle | SCY | 30.14 | A+0.85s to AA | 2026-04-19 | 44th Annual Harry Mamizuka Invitational venue |
| 100 Freestyle | SCY | 1:11.60 | BB+5.01s to A | 2026-04-18 | 44th Annual Harry Mamizuka Invitational venue |
| 50 Backstroke | SCY | 36.13 | BB+1.34s to A | 2026-02-08 | Aulea Winter Sprint Festival venue |
| 100 Backstroke | SCY | 1:22.86 | BB+6.47s to A | 2025-10-08 | 1666110 |
| 200 Backstroke | SCY | 3:13.67 | +3.98s to B | 2026-02-07 | Aulea Winter Distance Festival venue |
| 25 Breaststroke | SCY | 36.07 | 2022-12-10 | HI 2022 Oahu BC Meet venue | |
| 50 Breaststroke | SCY | 38.02 | A+0.63s to AA | 2026-03-01 | 2026 HI Hawaiian Swimming SCY AGChamps fast pool |
| 100 Breaststroke | SCY | 1:30.44 | BB+4.95s to A | 2026-02-28 | 2026 HI Hawaiian Swimming SCY AGChamps fast pool |
| 200 Breaststroke | SCY | 3:25.86 | B+5.87s to BB | 2026-02-07 | Aulea Winter Distance Festival venue |
| 50 Butterfly | SCY | 32.11 | A+0.12s to AA | 2026-02-27 | 2026 HI Hawaiian Swimming SCY AGChamps fast pool |
| 100 Butterfly | SCY | 1:28.08 | B+4.59s to BB | 2026-04-19 | 44th Annual Harry Mamizuka Invitational venue |
| 100 Individual Medley | SCY | 1:20.59 | BB+4.60s to A | 2026-02-27 | 2026 HI Hawaiian Swimming SCY AGChamps fast pool |
| 200 Individual Medley | SCY | 3:06.94 | B+7.95s to BB | 2026-03-29 | Alto Rock the Blocks Invitational 2026 venue |
| 50 Freestyle | LCM | 34.75 | A+1.36s to AA | 2025-04-23 | 1603403 |
| 100 Freestyle | LCM | 1:24.91 | B+2.12s to BB | 2026-05-23 | OSL A+ LCM Meet venue |
| 50 Backstroke | LCM | 46.35 | B+2.86s to BB | 2025-01-01 | 1646543 |
| 50 Breaststroke | LCM | 46.82 | BB+1.93s to A | 2026-05-23 | OSL A+ LCM Meet venue |
| 100 Breaststroke | LCM | 1:54.34 | B+7.05s to BB | 2025-01-01 | 1646543 |
| 50 Butterfly | LCM | 37.33 | A+1.44s to AA | 2026-06-06 | 2026 15th Annual Wada Rainbow Invitational - venue |
| 200 Individual Medley | LCM | 3:35.43 | B+10.54s to BB | 2026-06-06 | 2026 15th Annual Wada Rainbow Invitational - venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 31.84 | flying | 200 Free Relay (leg 3) | 2026-03-28 | Alto Rock the Blocks Invitational 2026 |
| 50 Freestyle | SCY | 28.28 | flying | 200 Medley Relay (leg 4) | 2026-02-27 | 2026 HI Hawaiian Swimming SCY AGChamps |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
IMX / IMR
IMX 11-12 · SCY
1672 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:22.86 | 433 |
| 100 BR SCY | 1:30.44 | 493 |
| 100 FL SCY | 1:28.08 | 345 |
| 200 IM SCY | 3:06.94 | 401 |
| 500 FR SCY | — | 0 |
IMR 11-12 · SCY
2313 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 36.13 | 521 |
| 50 BR SCY | 38.02 | 653 |
| 50 FL SCY | 32.11 | 641 |
| 100 IM SCY | 1:20.59 | 498 |
| 200 FR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:11.60
Front half 36.19s · back half 35.41s
100 Backstroke SCY 1:22.86 split/total mismatch
Front half 39.80s · back half 43.06s
200 Backstroke SCY 3:13.67
100 Breaststroke SCY 1:30.44
Front half 43.39s · back half 47.05s
200 Breaststroke SCY 3:25.86
Front half 94.12s · back half 111.74s
100 Butterfly SCY 1:28.08
Front half 42.86s · back half 45.22s
100 Individual Medley SCY 1:20.59
Front half 35.99s · back half 44.60s
200 Individual Medley SCY 3:06.94
Front half 90.30s · back half 96.64s
200 Individual Medley LCM 3:35.43
Front half 102.58s · back half 112.85s
Progression
Faster times are higher. One card per event, all courses & history.