Sienna Shieh
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 42.08 | +9.79s to B | 2019-10-18 | 2019 MR COND October Fall Festival |
| 100 Freestyle | SCY | 1:32.92 | +22.83s to B | 2019-10-18 | 2019 MR COND October Fall Festival |
| 50 Backstroke | SCY | 33.28 | BB+2.49s to A | 2026-03-27 | 2026 Sun Kissed Invitational Jr/Sr Champs - c venue |
| 100 Backstroke | SCY | 1:49.86 | +33.97s to B | 2019-10-18 | 2019 MR COND October Fall Festival |
| 50 Breaststroke | SCY | 35.33 | A+0.94s to AA | 2026-03-29 | 2026 Sun Kissed Invitational Jr/Sr Champs - c venue |
| 100 Breaststroke | SCY | 2:04.90 | +37.41s to B | 2019-10-18 | 2019 MR COND October Fall Festival |
| 200 Breaststroke | SCY | 2:41.69 | BB+0.40s to A | 2026-03-28 | 2026 Sun Kissed Invitational Jr/Sr Champs - c venue |
| 100 Butterfly | SCY | 1:02.30 | A+0.01s to AA | 2026-03-27 | 2026 Sun Kissed Invitational Jr/Sr Champs - c venue |
| 200 Butterfly | SCY | 2:18.96 | A+0.77s to AA | 2026-03-29 | 2026 Sun Kissed Invitational Jr/Sr Champs - c venue |
| 100 Individual Medley | SCY | 1:48.90 | 2019-10-18 | 2019 MR COND October Fall Festival | |
| 200 Individual Medley | SCY | 2:20.38 | A+1.59s to AA | 2026-03-27 | 2026 Sun Kissed Invitational Jr/Sr Champs - c venue |
| 400 Individual Medley | SCY | 4:56.84 | AA+11.75s to AAA | 2026-03-29 | 2026 Sun Kissed Invitational Jr/Sr Champs - c venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Butterfly | SCY | 28.65 | flying | 200 Medley Relay (leg 3) | 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 15-16 · SCY
2779 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR SCY | 2:41.69 | 642 |
| 200 FL SCY | 2:18.96 | 717 |
| 200 IM SCY | 2:20.38 | 699 |
| 400 IM SCY | 4:56.84 | 721 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
IMR 15-16 · SCY
1687 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:49.86 | 133 |
| 100 BR SCY | 2:04.90 | 137 |
| 100 FL SCY | 1:02.30 | 718 |
| 200 IM SCY | 2:20.38 | 699 |
| 200 FR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Breaststroke SCY 2:41.69
Front half 76.50s · back half 85.19s
100 Butterfly SCY 1:02.30
Front half 29.45s · back half 32.85s
200 Butterfly SCY 2:18.96
Front half 65.30s · back half 73.66s
200 Individual Medley SCY 2:20.38
Front half 66.09s · back half 74.29s
400 Individual Medley SCY 4:56.84
Front half 139.31s · back half 157.53s
Progression
Faster times are higher. One card per event, all courses & history.