Brian Do
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.09 | AA+0.70s to AAA·Sectionals ✓+1.80s to Futures | 2026-01-17 | Cal Invitational Swim Meetvenue |
| 100 Freestyle | SCY | 48.65 | AAA+1.86s to AAAA·Sectionals ✓+2.26s to Futures | 2026-01-18 | Cal Invitational Swim Meetvenue |
| 200 Freestyle | SCY | 1:42.72 | AAA+0.53s to AAAA·Sectionals ✓+1.13s to Futures | 2026-02-27 | 2026 CA NV Speedo Sect @ CCAvenue |
| 500 Freestyle | SCY | 4:42.05 | AAA+4.26s to AAAA·Sectionals ✓+4.96s to Futures | 2026-02-28 | 2026 CA NV Speedo Sect @ CCAvenue |
| 1000 Freestyle | SCY | 9:58.79 | AAA+19.90s to AAAA·Sectionals ✓+24.50s to Futures | 2026-03-01 | 2026 CA NV Speedo Sect @ CCAvenue |
| 1650 Freestyle | SCY | 16:14.94 | AAA+9.95s to AAAA·Sectionals ✓+9.45s to Futures | 2026-02-26 | 2026 CA NV Speedo Sect @ CCAvenue |
| 50 Backstroke | SCY | 27.46 | BB+0.17s to A·+3.77s to Futures | 2026-02-14 | 2026 Santa Clara Senior Champsvenue |
| 100 Breaststroke | SCY | 1:04.12 | A+0.93s to AA·+0.93s to Sectionals | 2026-01-18 | Cal Invitational Swim Meetvenue |
| 200 Breaststroke | SCY | 2:22.13 | A+4.84s to AA·+4.84s to Sectionals | 2026-01-17 | Cal Invitational Swim Meetvenue |
| 100 Butterfly | SCY | 53.04 | AA+0.15s to AAA·Sectionals ✓+2.45s to Futures | 2026-02-27 | 2026 CA NV Speedo Sect @ CCAvenue |
| 200 Butterfly | SCY | 1:54.79 | AAA+1.70s to AAAA·Sectionals ✓+1.10s to Futures | 2026-02-28 | 2026 CA NV Speedo Sect @ CCAvenue |
| 200 Individual Medley | SCY | 1:59.75 | AA+0.86s to AAA·Sectionals ✓+5.86s to Futures | 2026-01-17 | Cal Invitational Swim Meetvenue |
| 400 Individual Medley | SCY | 4:15.00 | AA+0.51s to AAA·Sectionals ✓+8.01s to Futures | 2026-01-18 | Cal Invitational Swim Meetvenue |
| 50 Freestyle | LCM | 25.93 | AA+0.04s to AAA·Sectionals ✓+1.34s to Futures | 2026-07-10 | 2026 SUPER LEAGUE LCM CHAMPIONSHIPSvenue |
| 100 Freestyle | LCM | 54.90 | AAA+1.01s to AAAA·Sectionals ✓+1.31s to Futures | 2026-06-28 | 2026 TYR GO Challengevenue |
| 200 Freestyle | LCM | 1:57.73 | AAAA·Futures ✓+2.44s to Winter JNs | 2025-06-27 | 2025 TYR GO Challengevenue |
| 400 Freestyle | LCM | 4:10.84 | AAAA·Sectionals ✓+0.85s to Futures | 2026-07-10 | 2026 SUPER LEAGUE LCM CHAMPIONSHIPSvenue |
| 800 Freestyle | LCM | 8:45.42 | AAA+3.73s to AAAA·Sectionals ✓+4.73s to Futures | 2025-06-26 | 2025 TYR GO Challengevenue |
| 1500 Freestyle | LCM | 17:20.76 | AAA+36.97s to AAAA·Sectionals ✓+41.77s to Futures | 2026-05-31 | 2026 George Haines International Swim Meetvenue |
| 200 Backstroke | LCM | 2:27.91 | BB+0.22s to A·+6.42s to Sectionals | 2024-06-30 | Arena Grand Challenge 2024venue |
| 50 Breaststroke | LCM | 34.26 | AA+1.37s to AAA·+3.37s to Futures | 2025-07-26 | USA Swimming Futures Sacramento 2025venue |
| 200 Breaststroke | LCM | 2:49.68 | BB+2.19s to A·+8.80s to Sectionals | 2026-06-27 | 2026 TYR GO Challengevenue |
| 50 Butterfly | LCM | 27.34 | AAA+0.45s to AAAA·+1.05s to Futures | 2025-07-24 | USA Swimming Futures Sacramento 2025venue |
| 100 Butterfly | LCM | 58.71 | AAA+0.92s to AAAA·Sectionals ✓+0.72s to Futures | 2026-06-26 | 2026 TYR GO Challengevenue |
| 200 Butterfly | LCM | 2:10.59 | AAA+1.40s to AAAA·Sectionals ✓+0.40s to Futures | 2026-07-12 | 2026 SUPER LEAGUE LCM CHAMPIONSHIPSvenue |
| 200 Individual Medley | LCM | 2:14.77 | AAA+2.38s to AAAA·Sectionals ✓+1.98s to Futures | 2026-07-10 | 2026 SUPER LEAGUE LCM CHAMPIONSHIPSvenue |
| 400 Individual Medley | LCM | 4:54.65 | AAA+12.56s to AAAA·Sectionals ✓+12.26s to Futures | 2025-06-27 | 2025 TYR GO Challengevenue |
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 | 23.14 | flying | 200 Free Relay (leg 4) | 2026-02-14 | 2026 Santa Clara Senior Champs |
| 100 Freestyle | SCY | 54.95 | flat | 400 Free Relay | 2023-12-08 | 2023 Kaua'i Winter Invitational |
| 100 Freestyle | SCY | 51.79 | flying | 400 Free Relay (leg 2) | 2026-02-15 | 2026 Santa Clara Senior Champs |
| 50 Butterfly | SCY | 26.46 | flying | 200 Medley Relay (leg 3) | 2023-12-09 | 2023 Kaua'i Winter Invitational |
| 100 Butterfly | SCY | 58.10 | flying | 400 Medley Relay (leg 3) | 2023-12-08 | 2023 Kaua'i Winter Invitational |
| 50 Freestyle | LCM | 26.01 | flat | 200 Free Relay | 2025-06-27 | 2025 TYR GO Challenge |
| 50 Freestyle | LCM | 25.76 | flying | 200 Free Relay (leg 3) | 2025-07-23 | USA Swimming Futures Sacramento 2025 |
| 50 Freestyle | LCM | 25.64 | flying | 200 Medley Relay (leg 4) | 2025-07-23 | USA Swimming Futures Sacramento 2025 |
| 100 Freestyle | LCM | 54.90 | flying | 400 Free Relay (leg 3) | 2025-07-25 | USA Swimming Futures Sacramento 2025 |
| 200 Freestyle | LCM | 1:58.63 | flat | 800 Free Relay | 2025-07-24 | USA Swimming Futures Sacramento 2025 |
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 · LCM
5066 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:10.84 | 997 |
| 200 BK LCM | 2:27.91 | 666 |
| 200 BR LCM | 2:49.68 | 635 |
| 200 FL LCM | 2:10.59 | 959 |
| 200 IM LCM | 2:14.77 | 941 |
| 400 IM LCM | 4:54.65 | 868 |
IMR 15-16 · SCY
3407 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:42.72 | 978 |
| 100 BR SCY | 1:04.12 | 728 |
| 100 FL SCY | 53.04 | 857 |
| 200 IM SCY | 1:59.75 | 844 |
| 100 BK 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 48.65
Front half 23.66s · back half 24.99s
200 Freestyle SCY 1:42.72
Front half 50.11s · back half 52.61s
500 Freestyle SCY 4:42.05
Front half 138.41s · back half 143.64s
1000 Freestyle SCY 9:58.79
Front half 288.88s · back half 309.91s
1650 Freestyle SCY 16:14.94
100 Breaststroke SCY 1:04.12
Front half 30.13s · back half 33.99s
200 Breaststroke SCY 2:22.13
Front half 68.94s · back half 73.19s
100 Butterfly SCY 53.04
Front half 25.32s · back half 27.72s
200 Butterfly SCY 1:54.79
Front half 55.18s · back half 59.61s
200 Individual Medley SCY 1:59.75
Front half 57.52s · back half 62.23s
400 Individual Medley SCY 4:15.00
Front half 126.35s · back half 128.65s
200 Freestyle LCM 1:57.73
Front half 57.46s · back half 60.27s
400 Freestyle LCM 4:10.84
Front half 125.11s · back half 125.73s
800 Freestyle LCM 8:45.42
Front half 260.30s · back half 265.12s
1500 Freestyle LCM 17:20.76
Front half 516.40s · back half 524.36s
200 Backstroke LCM 2:27.91
Front half 72.01s · back half 75.90s
200 Breaststroke LCM 2:49.68
Front half 78.06s · back half 91.62s
100 Butterfly LCM 58.71
Front half 27.99s · back half 30.72s
200 Butterfly LCM 2:10.59
Front half 61.29s · back half 69.30s
200 Individual Medley LCM 2:14.77
Front half 64.84s · back half 69.93s
400 Individual Medley LCM 4:54.65
Front half 144.91s · back half 149.74s
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.