Sydney Yamamoto
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.94 | BB+0.95s to A·+1.85s to Sectionals | 2025-04-26 | 43rd Annual Harry Mamizuka Invitational |
| 100 Freestyle | SCY | 1:00.52 | BB+1.93s to A·+4.03s to Sectionals | 2024-12-07 | 2024 44th Annual Ken Suenaga Invitationsl |
| 200 Freestyle | SCY | 2:06.12 | A+4.03s to AA·+3.73s to Sectionals | 2024-11-15 | HISI Senior Fall Championship (SCY) |
| 500 Freestyle | SCY | 5:35.92 | A+8.83s to AA·+6.53s to Sectionals | 2025-03-20 | 2025 Northwest Region Age Group Regionals |
| 1000 Freestyle | SCY | 12:12.06 | BB+16.87s to A·+47.87s to Sectionals | 2024-11-04 | 1576469 |
| 1650 Freestyle | SCY | 20:21.70 | BB+42.81s to A·+75.01s to Sectionals | 2022-10-09 | Oahu Distance Meetvenue |
| 50 Backstroke | SCY | 34.15 | B+1.76s to BB·+7.86s to Futures | 2024-01-14 | 2024-HI- Oahu ABC Meet |
| 100 Backstroke | SCY | 1:11.28 | B+2.19s to BB·+9.89s to Sectionals | 2024-10-26 | 24th Annual Bill Smith Invitational |
| 200 Backstroke | SCY | 2:31.42 | B+1.23s to BB·+18.13s to Sectionals | 2023-04-30 | 41st Annual Harry Mamizuka Invitationalvenue |
| 100 Breaststroke | SCY | 1:11.79 | A+1.80s to AA·+1.20s to Sectionals | 2024-03-22 | 2024 Northwest Region Age Group Regionalsvenue |
| 200 Breaststroke | SCY | 2:32.85 | A+0.96s to AA·+0.06s to Sectionals | 2023-02-19 | 2023 HI Hawaiian Swimming SCY AGChampsvenue |
| 100 Butterfly | SCY | 1:09.98 | B+1.39s to BB·+8.89s to Sectionals | 2023-04-30 | 41st Annual Harry Mamizuka Invitationalvenue |
| 200 Butterfly | SCY | 2:28.16 | BB+7.97s to A·+11.97s to Sectionals | 2023-02-19 | 2023 HI Hawaiian Swimming SCY AGChampsvenue |
| 200 Individual Medley | SCY | 2:21.39 | A+4.90s to AA·+4.90s to Sectionals | 2023-02-18 | 2023 HI Hawaiian Swimming SCY AGChampsvenue |
| 400 Individual Medley | SCY | 5:07.66 | BB+4.27s to A·+16.07s to Sectionals | 2024-01-14 | 2024-HI- Oahu ABC Meet |
| 50 Freestyle | LCM | 31.65 | BB+0.66s to A·+2.06s to Sectionals | 2025-01-01 | 1646543 |
| 100 Freestyle | LCM | 1:08.95 | BB+1.96s to A·+4.56s to Sectionals | 2025-05-24 | Oahu A+ Meet |
| 200 Freestyle | LCM | 2:27.37 | BB+2.28s to A·+8.38s to Sectionals | 2025-01-01 | 1646543 |
| 400 Freestyle | LCM | 5:04.07 | A+10.68s to AA·+12.28s to Sectionals | 2024-01-01 | 1526680 |
| 50 Backstroke | LCM | 41.09 | B+2.30s to BB·+10.20s to Futures | 2025-06-20 | 2025 Long Course Senior Championships |
| 100 Backstroke | LCM | 1:24.43 | B+4.04s to BB·+13.04s to Sectionals | 2024-01-01 | 1526680 |
| 200 Backstroke | LCM | 3:00.70 | B+6.11s to BB·+27.31s to Sectionals | 2024-01-01 | 1526680 |
| 50 Breaststroke | LCM | 41.68 | BB+2.09s to A·+6.89s to Futures | 2025-01-01 | 1646543 |
| 100 Breaststroke | LCM | 1:23.10 | A+2.31s to AA·+2.11s to Sectionals | 2024-01-01 | 1526680 |
| 200 Breaststroke | LCM | 3:01.87 | A+5.48s to AA·+7.01s to Sectionals | 2022-06-26 | 2022 HI Long Course Senior Championshipsvenue |
| 50 Butterfly | LCM | 37.03 | B+1.04s to BB·+7.54s to Futures | 2025-06-20 | 2025 Long Course Senior Championships |
| 100 Butterfly | LCM | 1:19.54 | B+1.35s to BB·+10.25s to Sectionals | 2024-01-01 | 1526680 |
| 200 Butterfly | LCM | 2:57.86 | B+4.87s to BB·+23.57s to Sectionals | 2024-01-01 | 1526680 |
| 200 Individual Medley | LCM | 2:43.88 | BB+0.89s to A·+6.89s to Sectionals | 2024-01-01 | 1526680 |
| 400 Individual Medley | LCM | 5:47.41 | A+13.62s to AA·+14.92s to Sectionals | 2024-06-21 | 2024 Long Course Senior Championships |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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 | 26.94 | flying | 200 Medley Relay (leg 4) | 2023-04-30 | 41st Annual Harry Mamizuka Invitational |
| 50 Backstroke | SCY | 34.29 | flat | 200 Medley Relay | 2023-10-29 | 2023 HI 23rd Annual Bill Smith Invitational |
| 50 Breaststroke | SCY | 33.26 | flying | 200 Medley Relay (leg 2) | 2024-03-22 | 2024 Northwest Region Age Group Regionals |
| 100 Breaststroke | SCY | 1:12.92 | flying | 400 Medley Relay (leg 2) | 2023-02-17 | 2023 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 17-18 · SCY
3758 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:35.92 | 693 |
| 200 BK SCY | 2:31.42 | 486 |
| 200 BR SCY | 2:32.85 | 743 |
| 200 FL SCY | 2:28.16 | 559 |
| 200 IM SCY | 2:21.39 | 653 |
| 400 IM SCY | 5:07.66 | 624 |
IMR 17-18 · SCY
2966 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:06.12 | 670 |
| 100 BK SCY | 1:11.28 | 459 |
| 100 BR SCY | 1:11.79 | 694 |
| 100 FL SCY | 1:09.98 | 490 |
| 200 IM SCY | 2:21.39 | 653 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:06.12 split/total mismatch
500 Freestyle SCY 5:35.92
Front half 164.59s · back half 171.33s
1650 Freestyle SCY 20:21.70
100 Backstroke SCY 1:11.28 split/total mismatch
Front half 35.02s · back half 36.26s
200 Backstroke SCY 2:31.42
Front half 74.48s · back half 76.94s
100 Breaststroke SCY 1:11.79
Front half 33.82s · back half 37.97s
200 Breaststroke SCY 2:32.85
Front half 73.72s · back half 79.13s
100 Butterfly SCY 1:09.98
Front half 33.80s · back half 36.18s
200 Butterfly SCY 2:28.16
Front half 68.64s · back half 79.52s
200 Individual Medley SCY 2:21.39
Front half 67.62s · back half 73.77s
400 Freestyle LCM 5:04.07 split/total mismatch
200 Backstroke LCM 3:00.70 split/total mismatch
Front half 89.65s · back half 91.05s
200 Breaststroke LCM 3:01.87
Front half 88.16s · back half 93.71s
200 Butterfly LCM 2:57.86 split/total mismatch
Front half 82.80s · back half 95.06s
200 Individual Medley LCM 2:43.88 split/total mismatch
Front half 81.20s · back half 82.68s
400 Individual Medley LCM 5:47.41 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.
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.