Brian Koo
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.03 | +8.84s to Sectionals | 2023-09-09 | 2023-HI- Oahu BC Meetvenue |
| 100 Freestyle | SCY | 1:00.15 | +9.16s to Sectionals | 2025-10-19 | Aulea Fall Frenzy Meetvenue |
| 200 Freestyle | SCY | 2:04.26 | +12.47s to Sectionals | 2026-01-17 | K. Mark Takai Swimming and Diving Champsvenue |
| 500 Freestyle | SCY | 5:38.21 | +35.52s to Sectionals | 2026-01-10 | K. Mark Takai Swimming and Diving Champsvenue |
| 100 Backstroke | SCY | 1:14.13 | +18.64s to Sectionals | 2025-10-19 | Aulea Fall Frenzy Meetvenue |
| 50 Breaststroke | SCY | 41.82 | +16.53s to Futures | 2023-11-12 | 2023 HI Oahu Novice Meetvenue |
| 100 Breaststroke | SCY | 1:21.23 | +18.04s to Sectionals | 2025-10-19 | Aulea Fall Frenzy Meetvenue |
| 50 Butterfly | SCY | 35.53 | +13.54s to Futures | 2023-11-12 | 2023 HI Oahu Novice Meetvenue |
| 100 Butterfly | SCY | 1:02.30 | +7.11s to Sectionals | 2026-01-10 | K. Mark Takai Swimming and Diving Champsvenue |
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.
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
100 Butterfly SCY 1:02.30
Front half 28.60s · back half 33.70s
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.