Brooke Yamamoto
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.05 | BB+0.36s to A·+1.96s to Sectionals | 2026-01-21 | K. Mark Takai Swimming and Diving Champsvenue |
| 100 Freestyle | SCY | 1:02.57 | BB+2.48s to A·+6.08s to Sectionals | 2025-04-26 | 43rd Annual Harry Mamizuka Invitational |
| 200 Freestyle | SCY | 2:18.83 | BB+9.14s to A·+16.44s to Sectionals | 2025-04-26 | 43rd Annual Harry Mamizuka Invitational |
| 50 Backstroke | SCY | 37.56 | +1.67s to B·+11.27s to Futures | 2025-01-13 | 1592796 |
| 100 Backstroke | SCY | 1:16.75 | +0.86s to B·+15.36s to Sectionals | 2024-11-29 | 1578215 |
| 200 Backstroke | SCY | 2:44.71 | B+11.62s to BB·+31.42s to Sectionals | 2024-11-29 | 1578215 |
| 50 Breaststroke | SCY | 43.22 | +1.33s to B·+13.43s to Futures | 2025-01-13 | 1592796 |
| 100 Breaststroke | SCY | 1:35.53 | +8.04s to B·+24.94s to Sectionals | 2024-06-22 | 2024 ST SYS SCY Dev B & Undervenue |
| 50 Butterfly | SCY | 35.72 | +0.43s to B·+10.03s to Futures | 2025-01-13 | 1592796 |
| 100 Butterfly | SCY | 1:34.39 | +18.60s to B·+33.30s to Sectionals | 2023-11-09 | 2023 HI November Classic BC Meetvenue |
| 100 Individual Medley | SCY | 1:18.33 | 2025-01-13 | 1592796 | |
| 200 Individual Medley | SCY | 2:38.30 | B+1.41s to BB·+21.81s to Sectionals | 2025-04-26 | 43rd Annual Harry Mamizuka Invitational |
| 400 Individual Medley | SCY | 5:50.09 | B+13.20s to BB·+58.50s to Sectionals | 2024-12-07 | 2024 44th Annual Ken Suenaga Invitationsl |
| 50 Freestyle | LCM | 32.41 | BB+0.82s to A·+2.82s to Sectionals | 2025-05-24 | Oahu A+ Meet |
| 100 Freestyle | LCM | 1:11.81 | BB+3.62s to A·+7.42s to Sectionals | 2025-05-24 | Oahu A+ Meet |
| 200 Freestyle | LCM | 2:56.78 | +4.29s to B·+37.79s to Sectionals | 2024-06-07 | 2024 June Jamboreevenue |
| 50 Backstroke | LCM | 39.78 | B+0.49s to BB·+8.89s to Futures | 2026-07-11 | 2026 Iolani Summer Classicvenue |
| 100 Backstroke | LCM | 1:40.88 | +12.59s to B·+29.49s to Sectionals | 2024-06-07 | 2024 June Jamboreevenue |
| 100 Breaststroke | LCM | 1:56.84 | +16.65s to B·+35.85s to Sectionals | 2023-05-06 | 2023 HI Oahu Unclassifed Meetvenue |
| 100 Butterfly | LCM | 1:43.57 | +17.78s to B·+34.28s to Sectionals | 2024-06-07 | 2024 June Jamboreevenue |
| 200 Individual Medley | LCM | 3:07.74 | B+7.15s to BB·+30.75s to Sectionals | 2025-05-24 | Oahu A+ Meet |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.
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 | 32.05 | flying | 200 Free Relay (leg 2) | 2023-10-01 | 2023 HI Al Minn 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 15-16 · SCY
1330 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:44.71 | 403 |
| 200 IM SCY | 2:38.30 | 487 |
| 400 IM SCY | 5:50.09 | 440 |
| 500 FR SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
IMR 15-16 · SCY
1912 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:18.83 | 522 |
| 100 BK SCY | 1:16.75 | 390 |
| 100 BR SCY | 1:35.53 | 307 |
| 100 FL SCY | 1:34.39 | 206 |
| 200 IM SCY | 2:38.30 | 487 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Breaststroke SCY 1:35.53
Front half 44.97s · back half 50.56s
400 Individual Medley SCY 5:50.09 split/total mismatch
200 Freestyle LCM 2:56.78
Front half 82.78s · back half 94.00s
100 Backstroke LCM 1:40.88
Front half 48.15s · back half 52.73s
100 Butterfly LCM 1:43.57
Front half 47.43s · back half 56.14s
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.
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.