swimKai Matsuoka
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 26.01 | BB+0.42s to A | 2026-04-18 | 44th Annual Harry Mamizuka Invitational venue |
| 100 Freestyle | SCY | 1:00.00 | BB+4.21s to A | 2026-04-19 | 44th Annual Harry Mamizuka Invitational venue |
| 200 Freestyle | SCY | 2:09.52 | BB+7.33s to A | 2026-04-19 | 44th Annual Harry Mamizuka Invitational venue |
| 500 Freestyle | SCY | 7:06.09 | +40.10s to B | 2022-10-09 | Oahu Distance Meet venue |
| 1000 Freestyle | SCY | 12:11.21 | BB+44.22s to A | 2026-02-07 | Aulea Winter Distance Festival venue |
| 50 Backstroke | SCY | 35.96 | +2.27s to B | 2024-10-26 | 24th Annual Bill Smith Invitational |
| 100 Backstroke | SCY | 1:15.04 | +3.65s to B | 2025-12-06 | 45th Annual Ken Suenaga Invitational (SCY) |
| 200 Backstroke | SCY | 2:34.37 | B+10.28s to BB | 2025-11-14 | OSL A+ SCY Meet |
| 50 Breaststroke | SCY | 31.35 | AA+1.06s to AAA | 2026-02-27 | 2026 HI Hawaiian Swimming SCY AGChamps fast pool |
| 100 Breaststroke | SCY | 1:06.84 | A+0.65s to AA | 2026-03-29 | 2026 Southwest Age Group Regional fast pool |
| 200 Breaststroke | SCY | 2:27.30 | A+3.31s to AA | 2026-02-28 | 2026 HI Hawaiian Swimming SCY AGChamps fast pool |
| 50 Butterfly | SCY | 29.25 | BB+0.86s to A | 2026-04-18 | 44th Annual Harry Mamizuka Invitational venue |
| 100 Butterfly | SCY | 1:06.74 | B+1.25s to BB | 2025-10-08 | 1666110 |
| 200 Butterfly | SCY | 2:26.23 | B+0.54s to BB | 2025-12-06 | 45th Annual Ken Suenaga Invitational (SCY) venue |
| 100 Individual Medley | SCY | 1:13.45 | 2024-12-07 | 2024 44th Annual Ken Suenaga Invitationsl | |
| 200 Individual Medley | SCY | 2:24.64 | BB+9.25s to A | 2026-03-01 | 2026 HI Hawaiian Swimming SCY AGChamps fast pool |
| 400 Individual Medley | SCY | 4:57.96 | BB+8.47s to A | 2026-02-27 | 2026 HI Hawaiian Swimming SCY AGChamps fast pool |
| 50 Freestyle | LCM | 30.28 | BB+0.89s to A | 2026-07-03 | 2026 Keo Nakama Swim Meet venue |
| 100 Freestyle | LCM | 1:06.14 | BB+1.75s to A | 2026-07-05 | 2026 Keo Nakama Swim Meet venue |
| 200 Freestyle | LCM | 2:25.68 | BB+5.09s to A | 2026-06-18 | HISI Senior Summer Championship (LCM) venue |
| 400 Freestyle | LCM | 5:03.92 | BB+4.03s to A | 2026-07-03 | 2026 Keo Nakama Swim Meet venue |
| 50 Backstroke | LCM | 39.23 | B+2.54s to BB | 2026-05-02 | Keiko Price Sprint Meet & Aloha Mile venue |
| 100 Backstroke | LCM | 1:34.25 | +10.56s to B | 2023-07-02 | 2023 Keo Nakama Swim Meet venue |
| 200 Backstroke | LCM | 3:15.81 | +13.82s to B | 2024-05-02 | 1496332 |
| 50 Breaststroke | LCM | 34.77 | AA+0.08s to AAA | 2026-06-20 | HISI Senior Summer Championship (LCM) venue |
| 100 Breaststroke | LCM | 1:16.04 | AA+2.15s to AAA | 2026-06-19 | HISI Senior Summer Championship (LCM) venue |
| 200 Breaststroke | LCM | 2:45.59 | AA+5.40s to AAA | 2026-06-20 | HISI Senior Summer Championship (LCM) venue |
| 50 Butterfly | LCM | 31.64 | A+1.05s to AA | 2026-06-18 | HISI Senior Summer Championship (LCM) venue |
| 100 Butterfly | LCM | 1:17.44 | B+2.85s to BB | 2025-06-07 | 2025 14th Annual Wada Rainbow Invitational |
| 200 Butterfly | LCM | 2:41.90 | BB+7.51s to A | 2025-07-17 | 2025 HI Age Group LCM Championship |
| 200 Individual Medley | LCM | 2:37.80 | BB+0.91s to A | 2026-07-03 | 2026 Keo Nakama Swim Meet venue |
| 400 Individual Medley | LCM | 5:45.93 | BB+10.44s to A | 2025-07-17 | 2025 HI Age Group LCM Championship |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
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 | 31.17 | flying | 200 Free Relay (leg 4) | 2022-10-29 | 22nd Annual Bill Smith Invitational |
| 50 Butterfly | SCY | 26.99 | flying | 200 Medley Relay (leg 3) | 2025-03-22 | Southwest Age Group Regional 2025 |
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 13-14 · LCM
3587 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:03.92 | 635 |
| 200 BK LCM | 3:15.81 | 337 |
| 200 BR LCM | 2:45.59 | 774 |
| 200 FL LCM | 2:41.90 | 577 |
| 200 IM LCM | 2:37.80 | 657 |
| 400 IM LCM | 5:45.93 | 607 |
IMR 13-14 · LCM
2813 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:25.68 | 601 |
| 100 BK LCM | 1:34.25 | 295 |
| 100 BR LCM | 1:16.04 | 789 |
| 100 FL LCM | 1:17.44 | 471 |
| 200 IM LCM | 2:37.80 | 657 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:00.00
Front half 29.13s · back half 30.87s
200 Freestyle SCY 2:09.52
Front half 62.56s · back half 66.96s
500 Freestyle SCY 7:06.09
Front half 207.80s · back half 218.29s
1000 Freestyle SCY 12:11.21
Front half 368.14s · back half 363.07s
100 Breaststroke SCY 1:06.84
Front half 31.69s · back half 35.15s
200 Breaststroke SCY 2:27.30
Front half 71.38s · back half 75.92s
100 Butterfly SCY 1:06.74 split/total mismatch
Front half 31.65s · back half 35.09s
100 Individual Medley SCY 1:13.45 split/total mismatch
Front half 35.00s · back half 38.45s
200 Individual Medley SCY 2:24.64
Front half 71.90s · back half 72.74s
400 Individual Medley SCY 4:57.96
Front half 151.24s · back half 146.72s
200 Freestyle LCM 2:25.68
Front half 69.73s · back half 75.95s
400 Freestyle LCM 5:03.92
Front half 152.25s · back half 151.67s
100 Breaststroke LCM 1:16.04
Front half 35.77s · back half 40.27s
200 Breaststroke LCM 2:45.59
Front half 79.52s · back half 86.07s
200 Individual Medley LCM 2:37.80
Front half 78.65s · back half 79.15s
400 Individual Medley LCM 5:45.93 split/total mismatch
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Progression
Faster times are higher. One card per event, all courses & history.