Sydney Yamamoto
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.41 | BB+1.22s to A | 2022-10-30 | 22nd Annual Bill Smith Invitational venue |
| 100 Freestyle | SCY | 1:01.57 | BB+2.58s to A | 2022-10-29 | 22nd Annual Bill Smith Invitational venue |
| 200 Freestyle | SCY | 2:09.61 | BB+1.92s to A | 2023-04-30 | 41st Annual Harry Mamizuka Invitational venue |
| 500 Freestyle | SCY | 5:35.92 | A+5.93s to AA | 2025-01-01 | 1522718 |
| 1650 Freestyle | SCY | 20:21.70 | BB+25.31s to A | 2022-10-09 | Oahu Distance Meet venue |
| 100 Backstroke | SCY | 1:12.07 | B+2.88s to BB | 2023-10-28 | 2023 HI 23rd Annual Bill Smith Invitational venue |
| 200 Backstroke | SCY | 2:31.42 | B+1.33s to BB | 2023-04-30 | 41st Annual Harry Mamizuka Invitational venue |
| 100 Breaststroke | SCY | 1:11.79 | A+1.50s to AA | 2024-03-22 | 2024 Northwest Region Age Group Regionals venue |
| 200 Breaststroke | SCY | 2:32.85 | AA+6.06s to AAA | 2023-02-19 | 2023 HI Hawaiian Swimming SCY AGChamps venue |
| 100 Butterfly | SCY | 1:09.98 | B+1.19s to BB | 2023-04-30 | 41st Annual Harry Mamizuka Invitational venue |
| 200 Butterfly | SCY | 2:28.16 | BB+6.67s to A | 2023-02-19 | 2023 HI Hawaiian Swimming SCY AGChamps venue |
| 200 Individual Medley | SCY | 2:21.39 | A+4.90s to AA | 2023-02-18 | 2023 HI Hawaiian Swimming SCY AGChamps venue |
| 200 Freestyle | LCM | 2:31.26 | BB+6.07s to A | 2022-06-26 | 2022 HI Long Course Senior Championships venue |
| 400 Freestyle | LCM | 5:10.11 | BB+3.42s to A | 2022-06-25 | 2022 HI Long Course Senior Championships venue |
| 100 Breaststroke | LCM | 1:28.14 | BB+3.95s to A | 2022-06-24 | 2022 HI Long Course Senior Championships venue |
| 200 Breaststroke | LCM | 3:01.87 | A+6.88s to AA | 2022-06-26 | 2022 HI Long Course Senior Championships venue |
| 200 Individual Medley | LCM | 2:47.53 | BB+3.94s to A | 2023-06-17 | 2023 Long Course Senior Championships venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 Breaststroke | SCY | 33.26 | flying | 200 Medley Relay (leg 2) | 2024-03-22 | 2024 Northwest Region Age Group Regionals |
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
3134 points (5/6 events — incomplete)
| 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 | — | 0 |
IMR 17-18 · SCY
2898 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:09.61 | 617 |
| 100 BK SCY | 1:12.07 | 444 |
| 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
100 Freestyle SCY 1:01.57
Front half 30.14s · back half 31.43s
200 Freestyle SCY 2:09.61
Front half 63.24s · back half 66.37s
500 Freestyle SCY 5:35.92
Front half 164.59s · back half 171.33s
1650 Freestyle SCY 20:21.70
100 Backstroke SCY 1:12.07
Front half 35.86s · back half 36.21s
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 5:10.11
200 Breaststroke LCM 3:01.87
Front half 88.16s · back half 93.71s
200 Individual Medley LCM 2:47.53
Front half 82.78s · back half 84.75s
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.