swimKai Iwamura
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.65 | 2023-04-29 | 41st Annual Harry Mamizuka Invitational venue | |
| 100 Freestyle | SCY | 49.89 | 2023-02-18 | 2023 HI Hawaiian Swimming SCY AGChamps venue | |
| 500 Freestyle | SCY | 5:15.92 | 2022-09-17 | Oahu Distance Meet venue | |
| 100 Backstroke | SCY | 58.06 | 2022-09-17 | Oahu A+ Meet venue | |
| 50 Breaststroke | SCY | 31.72 | 2026-04-18 | 44th Annual Harry Mamizuka Invitational venue | |
| 100 Breaststroke | SCY | 1:06.42 | 2022-02-25 | 2023 HI Hawaiian Swimming SCY AGChamps slow pool | |
| 200 Breaststroke | SCY | 2:28.63 | 2023-02-19 | 2023 HI Hawaiian Swimming SCY AGChamps venue | |
| 50 Butterfly | SCY | 25.70 | 2026-04-18 | 44th Annual Harry Mamizuka Invitational venue | |
| 100 Butterfly | SCY | 54.54 | 2023-04-30 | 41st Annual Harry Mamizuka Invitational venue | |
| 200 Individual Medley | SCY | 2:04.96 | 2023-04-30 | 41st Annual Harry Mamizuka Invitational venue | |
| 400 Individual Medley | SCY | 4:37.82 | 2022-09-17 | Oahu Distance Meet venue | |
| 50 Freestyle | LCM | 26.17 | 2023-06-30 | 2023 Keo Nakama Swim Meet venue | |
| 100 Freestyle | LCM | 58.60 | 2023-05-28 | 2023 HI 47th Annual Sakamoto Invitational venue | |
| 100 Backstroke | LCM | 1:09.37 | 2024-01-01 | 1526680 | |
| 100 Breaststroke | LCM | 1:18.88 | 2024-01-01 | 1526680 | |
| 50 Butterfly | LCM | 28.90 | 2025-01-01 | 1646543 | |
| 100 Butterfly | LCM | 1:03.29 | 2023-05-28 | 2023 HI 47th Annual Sakamoto Invitational venue | |
| 200 Individual Medley | LCM | 2:28.47 | 2023-06-30 | 2023 Keo Nakama Swim Meet venue | |
| 400 Individual Medley | LCM | 5:58.00 | 2026-05-23 | 50th Annual Coach Soichi Sakamoto Invitationa venue |
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 | 23.28 | flat | 200 Free Relay | 2022-11-20 | HI 2022 Short Course Senior Championships |
| 50 Freestyle | SCY | 22.43 | flying | 200 Free Relay (leg 3) | 2023-04-29 | 41st Annual Harry Mamizuka Invitational |
| 100 Freestyle | SCY | 50.30 | flat | 400 Free Relay | 2023-02-16 | 2023 HI Hawaiian Swimming SCY AGChamps |
| 100 Freestyle | SCY | 53.04 | flying | 400 Free Relay (leg 3) | 2023-11-18 | 2023 HI Senior Fall Championship (SCY) |
| 200 Freestyle | SCY | 1:55.42 | flat | 800 Free Relay | 2023-02-16 | 2023 HI Hawaiian Swimming SCY AGChamps |
| 50 Backstroke | SCY | 27.91 | flat | 200 Medley Relay | 2026-04-19 | 44th Annual Harry Mamizuka Invitational |
| 50 Butterfly | SCY | 24.63 | flying | 200 Medley Relay (leg 3) | 2023-04-30 | 41st Annual Harry Mamizuka Invitational |
| 100 Butterfly | SCY | 55.67 | flying | 400 Medley Relay (leg 3) | 2022-11-20 | HI 2022 Short Course Senior Championships |
| 50 Freestyle | LCM | 27.50 | flat | 200 Free Relay | 2026-05-23 | 50th Annual Coach Soichi Sakamoto Invitationa |
| 100 Freestyle | LCM | 59.32 | flat | 400 Free Relay | 2023-07-02 | 2023 Keo Nakama Swim Meet |
| 50 Backstroke | LCM | 35.66 | flat | 200 Medley Relay | 2026-05-24 | 50th Annual Coach Soichi Sakamoto Invitationa |
| 100 Breaststroke | LCM | 1:18.47 | flying | 400 Medley Relay (leg 2) | 2023-07-01 | 2023 Keo Nakama Swim Meet |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
PR splits
100 Freestyle SCY 49.89
Front half 24.02s · back half 25.87s
500 Freestyle SCY 5:15.92
Front half 154.30s · back half 161.62s
100 Breaststroke SCY 1:06.42
Front half 31.98s · back half 34.44s
200 Breaststroke SCY 2:28.63
Front half 70.93s · back half 77.70s
100 Butterfly SCY 54.54
Front half 25.58s · back half 28.96s
200 Individual Medley SCY 2:04.96
Front half 59.49s · back half 65.47s
400 Individual Medley SCY 4:37.82
Front half 134.51s · back half 143.31s
200 Individual Medley LCM 2:28.47
Front half 68.73s · back half 79.74s
400 Individual Medley LCM 5:58.00
Progression
Faster times are higher. One card per event, all courses & history.