swimEma Cheng-Tanaka
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 26.46 | A+0.17s to AA | 2025-07-20 | 2025 ISI Summer HPAC Regional venue |
| 100 Freestyle | SCY | 58.21 | A+1.22s to AA | 2024-02-03 | 2024 Schroeder YMCA A+ Presented by Speedo venue |
| 200 Freestyle | SCY | 2:01.98 | AA+4.59s to AAA | 2025-07-20 | 2025 ISI Summer HPAC Regional venue |
| 100 Backstroke | SCY | 1:01.23 | AA+2.34s to AAA | 2025-07-20 | 2025 ISI Summer HPAC Regional venue |
| 200 Backstroke | SCY | 2:12.13 | AA+4.44s to AAA | 2026-02-28 | 2026 Winter ISI Regionals- PAC fast pool |
| 100 Butterfly | SCY | 1:02.20 | A+0.81s to AA | 2025-07-19 | 2025 ISI Summer HPAC Regional venue |
| 200 Individual Medley | SCY | 2:17.09 | AA+5.60s to AAA | 2025-07-19 | 2025 ISI Summer HPAC Regional venue |
| 400 Individual Medley | SCY | 4:46.66 | AA+5.17s to AAA | 2025-07-18 | 2025 ISI Summer HPAC Regional |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.65 | flying | 200 Free Relay (leg 2) | 2025-07-20 | 2025 ISI Summer HPAC Regional |
| 200 Freestyle | SCY | 2:07.22 | flying | 800 Free Relay (leg 4) | 2024-03-08 | 2024 IL Swimming SC Age Group Championships |
| 50 Backstroke | SCY | 29.09 | flat | 200 Medley Relay | 2025-07-19 | 2025 ISI Summer HPAC Regional |
| 50 Breaststroke | SCY | 34.26 | flying | 200 Medley Relay (leg 2) | 2026-02-28 | 2026 Winter ISI Regionals- PAC |
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
2332 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:12.13 | 781 |
| 200 IM SCY | 2:17.09 | 750 |
| 400 IM SCY | 4:46.66 | 801 |
| 500 FR SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
IMR 15-16 · SCY
3008 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:01.98 | 769 |
| 100 BK SCY | 1:01.23 | 768 |
| 100 FL SCY | 1:02.20 | 721 |
| 200 IM SCY | 2:17.09 | 750 |
| 100 BR 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 58.21
Front half 28.15s · back half 30.06s
200 Freestyle SCY 2:01.98
Front half 59.48s · back half 62.50s
100 Backstroke SCY 1:01.23
Front half 29.92s · back half 31.31s
200 Backstroke SCY 2:12.13
Front half 64.01s · back half 68.12s
100 Butterfly SCY 1:02.20
Front half 28.76s · back half 33.44s
200 Individual Medley SCY 2:17.09
Front half 64.76s · back half 72.33s
400 Individual Medley SCY 4:46.66 split/total mismatch
Front half 31.26s · back half 255.40s
Progression
Faster times are higher. One card per event, all courses & history.