swimYuki Hayashi
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 100 Freestyle | SCY | 49.95 | Sectionals ✓+5.56s to Futures | 2021-12-05 | 2021 IE VAN Vandal Invitationalvenue |
| 200 Freestyle | SCY | 1:49.07 | Sectionals ✓+11.48s to Futures | 2021-12-04 | 2021 IE VAN Vandal Invitationalvenue |
| 100 Backstroke | SCY | 55.50 | +0.01s to Sectionals | 2021-12-04 | 2021 IE VAN Vandal Invitationalvenue |
| 200 Backstroke | SCY | 2:00.80 | Sectionals ✓+14.31s to Futures | 2021-12-05 | 2021 IE VAN Vandal Invitationalvenue |
| 100 Butterfly | SCY | 54.11 | Sectionals ✓+5.92s to Futures | 2021-12-04 | 2021 IE VAN Vandal Invitationalvenue |
| 200 Individual Medley | SCY | 1:58.95 | Sectionals ✓+10.46s to Futures | 2021-12-03 | 2021 IE VAN Vandal Invitationalvenue |
| 100 Freestyle | LCM | 55.02 | Sectionals ✓+3.03s to Futures | 2025-06-29 | 2025 TYR GO Challengevenue |
| 50 Backstroke | LCM | 28.09 | +1.40s to Futures | 2025-01-01 | 2025 tyr go challenge results |
| 100 Backstroke | LCM | 59.66 | Sectionals ✓+1.47s to Futures | 2025-01-01 | 2025 tyr go challenge results |
| 200 Backstroke | LCM | 2:08.68 | Sectionals ✓+1.69s to Futures | 2025-07-24 | Futures Time Trials 2025venue |
| 100 Butterfly | LCM | 57.87 | Sectionals ✓+1.98s to Futures | 2025-01-01 | 2025 tyr go challenge results |
| 200 Butterfly | LCM | 2:10.63 | Sectionals ✓+5.54s to Futures | 2025-05-25 | 2025 CA 29th NOVA-Speedo Grand Challengevenue |
| 200 Individual Medley | LCM | 2:10.17 | Sectionals ✓+2.18s to Futures | 2025-01-01 | 2025 tyr go challenge results |
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.42 | flat | 200 Free Relay | 2021-12-03 | 2021 IE VAN Vandal Invitational |
| 100 Freestyle | SCY | 50.58 | flat | 400 Free Relay | 2021-12-04 | 2021 IE VAN Vandal Invitational |
| 50 Backstroke | SCY | 25.64 | flat | 200 Medley Relay | 2021-12-04 | 2021 IE VAN Vandal Invitational |
| 100 Backstroke | SCY | 55.82 | flat | 400 Medley Relay | 2021-12-03 | 2021 IE VAN Vandal Invitational |
| 50 Freestyle | LCM | 24.97 | flat | 200 Free Relay | 2025-06-27 | 2025 TYR GO Challenge |
| 50 Freestyle | LCM | 24.31 | flying | 200 Free Relay (leg 2) | 2025-07-23 | USA Swimming Futures Sacramento 2025 |
| 50 Freestyle | LCM | 25.33 | flying | 200 Medley Relay (leg 4) | 2025-07-23 | USA Swimming Futures Sacramento 2025 |
| 50 Backstroke | LCM | 28.13 | flat | 200 Medley Relay | 2025-06-28 | 2025 TYR GO Challenge |
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 49.95
Front half 24.02s · back half 25.93s
200 Freestyle SCY 1:49.07
Front half 52.52s · back half 56.55s
100 Backstroke SCY 55.50
Front half 27.11s · back half 28.39s
200 Backstroke SCY 2:00.80
Front half 58.95s · back half 61.85s
100 Butterfly SCY 54.11
Front half 25.37s · back half 28.74s
200 Individual Medley SCY 1:58.95
Front half 54.98s · back half 63.97s
100 Freestyle LCM 55.02
Front half 26.65s · back half 28.37s
100 Backstroke LCM 59.66
Front half 29.26s · back half 30.40s
200 Backstroke LCM 2:08.68
Front half 62.27s · back half 66.41s
100 Butterfly LCM 57.87
Front half 27.03s · back half 30.84s
200 Butterfly LCM 2:10.63
Front half 62.20s · back half 68.43s
200 Individual Medley LCM 2:10.17
Front half 61.23s · back half 68.94s
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.