Serena Sawamukai
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 31.13 | BB+1.74s to A | 2026-02-07 | 2026 MR YMID February Classic - copied venue |
| 100 Freestyle | SCY | 1:06.22 | BB+2.13s to A | 2026-02-21 | 2026 MR Silvers North Championship - YMID venue |
| 200 Freestyle | SCY | 2:27.74 | BB+7.75s to A | 2026-02-15 | 39th Black History Swim Meet venue |
| 500 Freestyle | SCY | 7:05.49 | B+19.40s to BB | 2025-10-10 | 2025 MR YMID Fall Festival Invitational venue |
| 50 Backstroke | SCY | 32.05 | A+0.16s to AA | 2026-03-27 | 2026 Sun Kissed Invitational Jr/Sr Champs - c venue |
| 100 Backstroke | SCY | 1:11.65 | A+2.06s to AA | 2026-03-29 | 2026 Sun Kissed Invitational Jr/Sr Champs - c venue |
| 200 Backstroke | SCY | 2:39.08 | BB+4.69s to A | 2026-02-21 | 2026 MR Silvers North Championship - YMID venue |
| 50 Breaststroke | SCY | 44.31 | +0.32s to B | 2025-10-26 | 2025 MR QNS Can I Kick It Invitational venue |
| 100 Butterfly | SCY | 1:13.08 | BB+0.79s to A | 2026-03-27 | 2026 Sun Kissed Invitational Jr/Sr Champs - c venue |
| 100 Individual Medley | SCY | 1:13.14 | BB+0.05s to A | 2026-03-29 | 2026 Sun Kissed Invitational Jr/Sr Champs - c venue |
| 200 Individual Medley | SCY | 2:32.70 | A+1.61s to AA | 2026-03-28 | 2026 Sun Kissed Invitational Jr/Sr Champs - c venue |
| 50 Freestyle | LCM | 32.49 | A+0.50s to AA | 2026-05-30 | 2026 MR LIE May Spectacular Invitational venue |
| 100 Freestyle | LCM | 1:31.84 | +6.15s to B | 2024-06-23 | 2024 MR PAC Summer Classic Invitational venue |
| 50 Backstroke | LCM | 38.50 | BB+0.01s to A | 2026-05-30 | 2026 MR LIE May Spectacular Invitational venue |
| 100 Backstroke | LCM | 1:21.28 | A+0.49s to AA | 2026-05-01 | 050126zeus results |
| 50 Breaststroke | LCM | 47.40 | B+1.21s to BB | 2026-05-01 | 050126zeus results |
| 100 Breaststroke | LCM | 1:43.21 | B+1.02s to BB | 2026-05-30 | 2026 MR LIE May Spectacular Invitational venue |
| 100 Butterfly | LCM | 1:26.15 | BB+3.46s to A | 2026-05-30 | 2026 MR LIE May Spectacular Invitational venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.86 | flying | 200 Free Relay (leg 2) | 2026-03-29 | 2026 Sun Kissed Invitational Jr/Sr Champs - c |
| 100 Freestyle | SCY | 1:03.57 | flying | 400 Free Relay (leg 2) | 2026-03-28 | 2026 Sun Kissed Invitational Jr/Sr Champs - c |
| 50 Backstroke | SCY | 32.14 | flat | 200 Medley Relay | 2026-03-27 | 2026 Sun Kissed Invitational Jr/Sr Champs - c |
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 11-12 · SCY
2465 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 7:05.49 | 456 |
| 100 BK SCY | 1:11.65 | 669 |
| 100 FL SCY | 1:13.08 | 604 |
| 200 IM SCY | 2:32.70 | 736 |
| 100 BR SCY | — | 0 |
IMR 11-12 · SCY
2386 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:27.74 | 561 |
| 50 BK SCY | 32.05 | 747 |
| 50 BR SCY | 44.31 | 412 |
| 100 IM SCY | 1:13.14 | 666 |
| 50 FL SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:06.22
Front half 32.24s · back half 33.98s
200 Freestyle SCY 2:27.74
Front half 71.66s · back half 76.08s
500 Freestyle SCY 7:05.49
Front half 209.25s · back half 216.24s
100 Backstroke SCY 1:11.65
Front half 34.32s · back half 37.33s
200 Backstroke SCY 2:39.08
Front half 77.73s · back half 81.35s
100 Butterfly SCY 1:13.08
Front half 34.36s · back half 38.72s
100 Individual Medley SCY 1:13.14
Front half 32.58s · back half 40.56s
200 Individual Medley SCY 2:32.70
Front half 68.59s · back half 84.11s
100 Freestyle LCM 1:31.84
Front half 43.83s · back half 48.01s
100 Backstroke LCM 1:21.28 split/total mismatch
Front half 39.95s · back half 41.33s
100 Breaststroke LCM 1:43.21
Front half 50.32s · back half 52.89s
100 Butterfly LCM 1:26.15
Front half 40.06s · back half 46.09s
Progression
Faster times are higher. One card per event, all courses & history.