swimBrandon Koo
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.73 | BB+1.64s to A·+2.54s to Sectionals | 2025-10-08 | 1666110 |
| 100 Freestyle | SCY | 55.93 | BB+3.34s to A·+4.94s to Sectionals | 2025-10-08 | 1666110 |
| 200 Freestyle | SCY | 2:08.83 | B+3.14s to BB·+17.04s to Sectionals | 2023-12-03 | 2023 HI 43rd Annual Ken Suenaga Invitationalvenue |
| 100 Backstroke | SCY | 1:14.41 | +7.62s to B·+18.92s to Sectionals | 2023-09-09 | 2023-HI- Oahu BC Meetvenue |
| 100 Breaststroke | SCY | 1:12.23 | B+2.14s to BB·+9.04s to Sectionals | 2025-10-26 | 2025 HI 25th Annual Bill Smith Invitational -venue |
| 100 Butterfly | SCY | 1:01.76 | B+0.37s to BB·+6.57s to Sectionals | 2025-10-26 | 2025 HI 25th Annual Bill Smith Invitational -venue |
| 100 Individual Medley | SCY | 1:05.49 | 2024-01-18 | Swim Kauai Aquatics Team | |
| 200 Individual Medley | SCY | 2:29.70 | +0.11s to B·+25.71s to Sectionals | 2023-09-16 | 2023-HI- Oahu A+ Meetvenue |
| 50 Freestyle | LCM | 29.50 | BB+1.71s to A·+2.51s to Sectionals | 2023-06-03 | 2023 HI 12th Annual Rainbow Aquatics Invitevenue |
| 100 Freestyle | LCM | 1:03.67 | BB+3.08s to A·+4.68s to Sectionals | 2024-01-01 | 1526680 |
| 200 Freestyle | LCM | 2:29.47 | B+5.08s to BB·+20.78s to Sectionals | 2023-07-01 | 2023 Keo Nakama Swim Meetvenue |
| 100 Backstroke | LCM | 1:25.91 | +7.22s to B·+20.72s to Sectionals | 2024-06-01 | 2024 13th Annual Rainbow Aquatics Invite |
| 100 Breaststroke | LCM | 1:25.31 | B+3.52s to BB·+11.61s to Sectionals | 2024-01-01 | 1526680 |
| 200 Breaststroke | LCM | 3:14.72 | +2.53s to B·+33.84s to Sectionals | 2023-06-03 | 2023 HI 12th Annual Rainbow Aquatics Invitevenue |
| 200 Individual Medley | LCM | 2:54.96 | +1.67s to B·+30.27s to Sectionals | 2023-06-03 | 2023 HI 12th Annual Rainbow Aquatics Invitevenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 | 28.49 | flying | 200 Free Relay (leg 4) | 2022-10-29 | 22nd Annual Bill Smith Invitational |
| 50 Freestyle | SCY | 28.40 | flying | 200 Medley Relay (leg 4) | 2022-10-30 | 22nd Annual Bill Smith 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 17-18 · LCM
786 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR LCM | 3:14.72 | 386 |
| 200 IM LCM | 2:54.96 | 400 |
| 400 FR LCM | — | 0 |
| 200 BK LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 17-18 · SCY
2123 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:08.83 | 470 |
| 100 BK SCY | 1:14.41 | 283 |
| 100 BR SCY | 1:12.23 | 465 |
| 100 FL SCY | 1:01.76 | 502 |
| 200 IM SCY | 2:29.70 | 403 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 55.93 split/total mismatch
Front half 26.86s · back half 29.07s
200 Freestyle SCY 2:08.83
Front half 61.03s · back half 67.80s
100 Individual Medley SCY 1:05.49 split/total mismatch
Front half 30.95s · back half 34.54s
50 Freestyle LCM 29.50
200 Freestyle LCM 2:29.47
Front half 72.05s · back half 77.42s
200 Individual Medley LCM 2:54.96
Front half 86.15s · back half 88.81s
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.