swimDaichi Cheng-Tanaka
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.50 | BB+1.81s to A | 2025-07-19 | 2025 ISI Summer HPAC Regional venue |
| 100 Freestyle | SCY | 1:02.49 | BB+4.60s to A | 2025-07-20 | 2025 ISI Summer HPAC Regional venue |
| 200 Freestyle | SCY | 2:08.48 | BB+1.79s to A | 2026-03-01 | 2026 Winter ISI Regionals- PAC fast pool |
| 500 Freestyle | SCY | 5:44.44 | BB+2.75s to A | 2026-02-28 | 2026 Winter ISI Regionals- PAC fast pool |
| 1000 Freestyle | SCY | 11:43.52 | A+25.93s to AA | 2026-02-27 | 2026 Winter ISI Regionals- PAC fast pool |
| 50 Backstroke | SCY | 31.81 | BB+1.42s to A | 2026-02-28 | 2026 Winter ISI Regionals- PAC fast pool |
| 100 Backstroke | SCY | 1:07.46 | BB+3.67s to A | 2026-03-01 | 2026 Winter ISI Regionals- PAC fast pool |
| 200 Backstroke | SCY | 2:27.80 | BB+8.81s to A | 2026-02-28 | 2026 Winter ISI Regionals- PAC fast pool |
| 100 Butterfly | SCY | 1:23.92 | +10.13s to B | 2024-02-03 | 2024 Schroeder YMCA A+ Presented by Speedo venue |
| 50 Freestyle | LCM | 32.71 | BB+2.12s to A | 2025-05-18 | 2025 WI SWAT LC May-Hem venue |
| 100 Freestyle | LCM | 1:11.36 | BB+4.27s to A | 2025-05-17 | 2025 WI SWAT LC May-Hem venue |
| 200 Freestyle | LCM | 2:36.81 | BB+11.12s to A | 2025-05-18 | 2025 WI SWAT LC May-Hem venue |
| 400 Freestyle | LCM | 5:16.29 | BB+7.80s to A | 2025-07-24 | Illinois Swimming Age Group Champs LC 25 venue |
| 800 Freestyle | LCM | 10:52.70 | BB+8.71s to A | 2025-07-26 | Illinois Swimming Age Group Champs LC 25 venue |
| 50 Breaststroke | LCM | 46.66 | +0.77s to B | 2025-05-18 | 2025 WI SWAT LC May-Hem venue |
| 50 Butterfly | LCM | 37.64 | B+1.35s to BB | 2025-05-17 | 2025 WI SWAT LC May-Hem venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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 | 30.30 | flying | 200 Free Relay (leg 2) | 2024-02-04 | 2024 Schroeder YMCA A+ Presented by Speedo |
| 50 Backstroke | SCY | 34.73 | flat | 200 Medley Relay | 2024-02-03 | 2024 Schroeder YMCA A+ Presented by Speedo |
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 13-14 · SCY
1075 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:44.44 | 592 |
| 200 BK SCY | 2:27.80 | 483 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
1323 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:08.48 | 575 |
| 100 BK SCY | 1:07.46 | 498 |
| 100 FL SCY | 1:23.92 | 250 |
| 100 BR SCY | — | 0 |
| 200 IM 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 1:02.49
Front half 29.82s · back half 32.67s
200 Freestyle SCY 2:08.48
Front half 60.23s · back half 68.25s
500 Freestyle SCY 5:44.44
Front half 166.43s · back half 178.01s
1000 Freestyle SCY 11:43.52
Front half 347.21s · back half 356.31s
100 Backstroke SCY 1:07.46
Front half 32.47s · back half 34.99s
200 Backstroke SCY 2:27.80
Front half 71.35s · back half 76.45s
100 Butterfly SCY 1:23.92
Front half 37.77s · back half 46.15s
100 Freestyle LCM 1:11.36
Front half 33.70s · back half 37.66s
200 Freestyle LCM 2:36.81
Front half 75.36s · back half 81.45s
400 Freestyle LCM 5:16.29 RT 0.66s
800 Freestyle LCM 10:52.70 RT 0.66s
Front half 324.34s · back half 328.36s
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.