swimJoanna Bai
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 35.03 | B+2.04s to BB | 2026-01-17 | 2026 G.O.A.T. TYR Team Challenge and SYOA venue |
| 100 Freestyle | SCY | 1:15.93 | B+3.74s to BB | 2026-01-31 | 2026 Mac Crutchfield Invitational venue |
| 50 Backstroke | SCY | 37.82 | B+0.13s to BB | 2026-02-28 | 2026 Area 4 Spring Champs venue |
| 100 Backstroke | SCY | 1:26.48 | B+2.89s to BB | 2026-01-31 | 2026 Mac Crutchfield Invitational venue |
| 50 Breaststroke | SCY | 45.71 | +0.22s to B | 2026-01-17 | 2026 G.O.A.T. TYR Team Challenge and SYOA venue |
| 100 Breaststroke | SCY | 1:54.71 | +14.42s to B | 2024-07-28 | 2024 Summer Area 4 Championships venue |
| 50 Butterfly | SCY | 35.89 | BB+2.50s to A | 2026-02-21 | 2026 USC Last Chance venue |
| 100 Butterfly | SCY | 1:25.39 | B+1.90s to BB | 2026-02-28 | 2026 Area 4 Spring Champs venue |
| 100 Individual Medley | SCY | 1:26.26 | B+3.97s to BB | 2026-01-31 | 2026 Mac Crutchfield Invitational venue |
| 200 Individual Medley | SCY | 2:57.57 | BB+12.38s to A | 2026-01-30 | 2026 Mac Crutchfield Invitational venue |
| 50 Freestyle | LCM | 36.62 | BB+1.83s to A | 2026-06-27 | ATAC Long Course Invitational venue |
| 100 Freestyle | LCM | 1:24.46 | B+1.67s to BB | 2026-05-16 | 2026 FAST May Invite fast pool |
| 50 Backstroke | LCM | 43.07 | BB+2.98s to A | 2026-06-27 | ATAC Long Course Invitational venue |
| 50 Breaststroke | LCM | 50.19 | B+1.60s to BB | 2026-05-16 | 2026 FAST May Invite fast pool |
| 100 Breaststroke | LCM | 1:51.28 | B+3.99s to BB | 2026-06-26 | ATAC Long Course Invitational venue |
| 50 Butterfly | LCM | 40.86 | B+0.37s to BB | 2026-06-26 | ATAC Long Course Invitational venue |
| 200 Individual Medley | LCM | 3:24.94 | B+0.05s to BB | 2026-06-27 | ATAC Long Course Invitational venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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 | 31.67 | flying | 200 Free Relay (leg 4) | 2024-07-27 | 2024 Summer Area 4 Championships |
| 50 Butterfly | SCY | 35.78 | flying | 200 Medley Relay (leg 3) | 2026-01-31 | 2026 Mac Crutchfield Invitational |
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
1468 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:26.48 | 380 |
| 100 BR SCY | 1:54.71 | 242 |
| 100 FL SCY | 1:25.39 | 378 |
| 200 IM SCY | 2:57.57 | 468 |
| 500 FR SCY | — | 0 |
IMR 11-12 · LCM
1798 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK LCM | 43.07 | 474 |
| 50 BR LCM | 50.19 | 413 |
| 50 FL LCM | 40.86 | 453 |
| 200 IM LCM | 3:24.94 | 458 |
| 200 FR LCM | — | 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 1:15.93
Front half 36.34s · back half 39.59s
100 Backstroke SCY 1:26.48
Front half 41.55s · back half 44.93s
100 Breaststroke SCY 1:54.71
Front half 55.37s · back half 59.34s
100 Butterfly SCY 1:25.39
Front half 39.80s · back half 45.59s
100 Individual Medley SCY 1:26.26
Front half 40.46s · back half 45.80s
200 Individual Medley SCY 2:57.57
Front half 85.47s · back half 92.10s
100 Freestyle LCM 1:24.46
Front half 40.40s · back half 44.06s
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.