swimKaijah Koo
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.41 | BB+1.92s to A·+6.32s to Sectionals | 2026-10-03 | PASA CBA+ SCY Meet Oct 2026venue |
| 100 Freestyle | SCY | 1:11.70 | BB+5.11s to A·+15.21s to Sectionals | 2026-10-24 | PSL Pumpkin Spice Splashvenue |
| 200 Freestyle | SCY | 2:35.69 | BB+10.70s to A·+33.30s to Sectionals | 2026-09-19 | PSL Pacifica Season Launch CBA+ Meetvenue |
| 500 Freestyle | SCY | 7:00.25 | BB+31.06s to A·+90.86s to Sectionals | 2026-09-18 | PSL Pacifica Season Launch CBA+ Meetvenue |
| 50 Backstroke | SCY | 36.95 | BB+2.16s to A·+10.66s to Futures | 2026-10-24 | PSL Pumpkin Spice Splashvenue |
| 100 Backstroke | SCY | 1:18.92 | BB+2.53s to A·+17.53s to Sectionals | 2026-10-25 | PSL Pumpkin Spice Splashvenue |
| 200 Backstroke | SCY | 2:49.07 | BB+6.48s to A·+35.78s to Sectionals | 2026-09-20 | PSL Pacifica Season Launch CBA+ Meetvenue |
| 50 Butterfly | SCY | 39.37 | +0.48s to B·+13.68s to Futures | 2026-10-25 | PSL Pumpkin Spice Splashvenue |
| 100 Individual Medley | SCY | 1:33.86 | +5.17s to B | 2026-02-07 | 2026 PSL Super Finals Invitationalvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 35.62 | flying | 200 Free Relay (leg 3) | 2026-03-22 | SCY Spring Age Group Championships |
| 50 Backstroke | SCY | 37.70 | flat | 200 Medley Relay | 2026-03-21 | SCY Spring Age Group Championships |
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
975 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 7:00.25 | 474 |
| 100 BK SCY | 1:18.92 | 501 |
| 100 BR SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 11-12 · SCY
1628 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:35.69 | 479 |
| 50 BK SCY | 36.95 | 487 |
| 50 FL SCY | 39.37 | 347 |
| 100 IM SCY | 1:33.86 | 315 |
| 50 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 1:11.70
Front half 33.78s · back half 37.92s
200 Freestyle SCY 2:35.69
Front half 73.94s · back half 81.75s
500 Freestyle SCY 7:00.25
Front half 206.62s · back half 213.63s
100 Backstroke SCY 1:18.92
Front half 38.71s · back half 40.21s
200 Backstroke SCY 2:49.07
Front half 85.12s · back half 83.95s
100 Individual Medley SCY 1:33.86
Front half 43.19s · back half 50.67s
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.