swimBrian Koo
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.31 | +0.82s to B·+6.12s to Sectionals | 2026-10-25 | 2026 HI 26th Annual Bill Smith Invitational -venue |
| 100 Freestyle | SCY | 56.95 | BB+3.46s to A·+5.96s to Sectionals | 2026-11-01 | OSL A+ SCY Meetvenue |
| 200 Freestyle | SCY | 2:04.26 | BB+7.47s to A·+12.47s to Sectionals | 2026-01-17 | K. Mark Takai Swimming and Diving Champsvenue |
| 500 Freestyle | SCY | 5:38.21 | BB+20.72s to A·+35.52s to Sectionals | 2026-01-10 | K. Mark Takai Swimming and Diving Champsvenue |
| 100 Backstroke | SCY | 1:14.13 | +6.34s to B·+18.64s to Sectionals | 2025-10-19 | Aulea Fall Frenzy Meetvenue |
| 50 Breaststroke | SCY | 41.82 | +5.13s to B·+15.53s to Futures | 2023-11-12 | 2023 HI Oahu Novice Meetvenue |
| 100 Breaststroke | SCY | 1:17.91 | +0.92s to B·+14.72s to Sectionals | 2026-09-13 | PCA ABC Kalani SCY Meetvenue |
| 200 Breaststroke | SCY | 3:03.91 | +16.82s to B·+46.62s to Sectionals | 2026-10-04 | 2026 HI Al Minn Invitationalvenue |
| 50 Butterfly | SCY | 35.53 | +3.74s to B·+12.64s to Futures | 2023-11-12 | 2023 HI Oahu Novice Meetvenue |
| 100 Butterfly | SCY | 1:01.78 | BB+4.09s to A·+6.59s to Sectionals | 2026-10-04 | 2026 HI Al Minn Invitationalvenue |
| 200 Individual Medley | SCY | 2:35.97 | +4.68s to B·+31.98s to Sectionals | 2026-10-04 | 2026 HI Al Minn Invitationalvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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 | 27.13 | flat | 200 Free Relay | 2026-01-17 | K. Mark Takai Swimming and Diving Champs |
| 100 Freestyle | SCY | 56.66 | flat | 400 Free Relay | 2026-01-10 | K. Mark Takai Swimming and Diving Champs |
| 50 Butterfly | SCY | 27.49 | flying | 200 Medley Relay (leg 3) | 2026-01-10 | K. Mark Takai Swimming and Diving Champs |
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
1243 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:38.21 | 545 |
| 200 BR SCY | 3:03.91 | 316 |
| 200 IM SCY | 2:35.97 | 382 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 15-16 · SCY
2200 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:04.26 | 552 |
| 100 BK SCY | 1:14.13 | 319 |
| 100 BR SCY | 1:17.91 | 405 |
| 100 FL SCY | 1:01.78 | 542 |
| 200 IM SCY | 2:35.97 | 382 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:04.26
Front half 59.69s · back half 64.57s
500 Freestyle SCY 5:38.21
Front half 164.08s · back half 174.13s
200 Breaststroke SCY 3:03.91
Front half 88.73s · back half 95.18s
100 Butterfly SCY 1:01.78
Front half 28.99s · back half 32.79s
200 Individual Medley SCY 2:35.97
Front half 71.27s · back half 84.70s
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.